mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-08-20 06:18:57 +03:00
split up olpc patches
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@10069 3c298f89-4303-0410-b956-a3cf2f4a3e73
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File diff suppressed because it is too large
Load Diff
414
target/linux/olpc/patches/110-olpc_sound.patch
Normal file
414
target/linux/olpc/patches/110-olpc_sound.patch
Normal file
@ -0,0 +1,414 @@
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diff --git a/include/sound/ac97_codec.h b/include/sound/ac97_codec.h
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index 246ac23..874a2c8 100644
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--- a/include/sound/ac97_codec.h
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+++ b/include/sound/ac97_codec.h
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@@ -281,10 +281,12 @@
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/* specific - Analog Devices */
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#define AC97_AD_TEST 0x5a /* test register */
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#define AC97_AD_TEST2 0x5c /* undocumented test register 2 */
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+#define AC97_AD_HPFD_SHIFT 12 /* High Pass Filter Disable */
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#define AC97_AD_CODEC_CFG 0x70 /* codec configuration */
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#define AC97_AD_JACK_SPDIF 0x72 /* Jack Sense & S/PDIF */
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#define AC97_AD_SERIAL_CFG 0x74 /* Serial Configuration */
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#define AC97_AD_MISC 0x76 /* Misc Control Bits */
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+#define AC97_AD_VREFD_SHIFT 2 /* V_REFOUT Disable (AD1888) */
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/* specific - Cirrus Logic */
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#define AC97_CSR_ACMODE 0x5e /* AC Mode Register */
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diff --git a/sound/pci/ac97/ac97_codec.c b/sound/pci/ac97/ac97_codec.c
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index bbed644..090e852 100644
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--- a/sound/pci/ac97/ac97_codec.c
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+++ b/sound/pci/ac97/ac97_codec.c
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@@ -49,7 +49,7 @@ module_param(enable_loopback, bool, 0444);
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MODULE_PARM_DESC(enable_loopback, "Enable AC97 ADC/DAC Loopback Control");
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#ifdef CONFIG_SND_AC97_POWER_SAVE
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-static int power_save;
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+static int power_save = 1;
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module_param(power_save, bool, 0644);
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MODULE_PARM_DESC(power_save, "Enable AC97 power-saving control");
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#endif
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diff --git a/sound/pci/ac97/ac97_patch.c b/sound/pci/ac97/ac97_patch.c
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index 581ebba..06637f7 100644
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--- a/sound/pci/ac97/ac97_patch.c
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+++ b/sound/pci/ac97/ac97_patch.c
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@@ -1973,8 +1973,9 @@ static const struct snd_kcontrol_new snd_ac97_ad1888_controls[] = {
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.get = snd_ac97_ad1888_lohpsel_get,
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.put = snd_ac97_ad1888_lohpsel_put
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},
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- AC97_SINGLE("V_REFOUT Enable", AC97_AD_MISC, 2, 1, 1),
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- AC97_SINGLE("High Pass Filter Enable", AC97_AD_TEST2, 12, 1, 1),
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+ AC97_SINGLE("V_REFOUT Enable", AC97_AD_MISC, AC97_AD_VREFD_SHIFT, 1, 1),
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+ AC97_SINGLE("High Pass Filter Enable", AC97_AD_TEST2,
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+ AC97_AD_HPFD_SHIFT, 1, 1),
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AC97_SINGLE("Spread Front to Surround and Center/LFE", AC97_AD_MISC, 7, 1, 0),
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{
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.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
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diff --git a/sound/pci/cs5535audio/Makefile b/sound/pci/cs5535audio/Makefile
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index ad947b4..3866c4d 100644
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--- a/sound/pci/cs5535audio/Makefile
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+++ b/sound/pci/cs5535audio/Makefile
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@@ -8,5 +8,9 @@ ifeq ($(CONFIG_PM),y)
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snd-cs5535audio-objs += cs5535audio_pm.o
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endif
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+ifdef CONFIG_OLPC
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+snd-cs5535audio-objs += cs5535audio_olpc.o
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+endif
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+
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# Toplevel Module Dependency
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obj-$(CONFIG_SND_CS5535AUDIO) += snd-cs5535audio.o
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diff --git a/sound/pci/cs5535audio/cs5535audio.c b/sound/pci/cs5535audio/cs5535audio.c
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index b8e75ef..389d9da 100644
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--- a/sound/pci/cs5535audio/cs5535audio.c
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+++ b/sound/pci/cs5535audio/cs5535audio.c
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@@ -145,7 +145,7 @@ static unsigned short snd_cs5535audio_ac97_codec_read(struct snd_ac97 *ac97,
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return snd_cs5535audio_codec_read(cs5535au, reg);
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}
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-static int snd_cs5535audio_mixer(struct cs5535audio *cs5535au)
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+static int __devinit snd_cs5535audio_mixer(struct cs5535audio *cs5535au)
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{
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struct snd_card *card = cs5535au->card;
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struct snd_ac97_bus *pbus;
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@@ -160,10 +160,14 @@ static int snd_cs5535audio_mixer(struct cs5535audio *cs5535au)
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return err;
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memset(&ac97, 0, sizeof(ac97));
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- ac97.scaps = AC97_SCAP_AUDIO|AC97_SCAP_SKIP_MODEM;
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+ ac97.scaps = AC97_SCAP_AUDIO | AC97_SCAP_SKIP_MODEM
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+ | AC97_SCAP_POWER_SAVE;
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ac97.private_data = cs5535au;
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ac97.pci = cs5535au->pci;
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+ /* olpc_prequirks is dummied out if not olpc */
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+ olpc_prequirks(card, &ac97);
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+
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if ((err = snd_ac97_mixer(pbus, &ac97, &cs5535au->ac97)) < 0) {
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snd_printk(KERN_ERR "mixer failed\n");
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return err;
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@@ -171,6 +175,12 @@ static int snd_cs5535audio_mixer(struct cs5535audio *cs5535au)
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snd_ac97_tune_hardware(cs5535au->ac97, ac97_quirks, ac97_quirk);
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+ /* olpc_quirks is dummied out if not olpc */
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+ if (( err = olpc_quirks(card, cs5535au->ac97)) < 0) {
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+ snd_printk(KERN_ERR "olpc quirks failed\n");
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+ return err;
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+ }
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+
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return 0;
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}
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@@ -206,7 +216,6 @@ static void process_bm1_irq(struct cs5535audio *cs5535au)
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static irqreturn_t snd_cs5535audio_interrupt(int irq, void *dev_id)
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{
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u16 acc_irq_stat;
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- u8 bm_stat;
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unsigned char count;
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struct cs5535audio *cs5535au = dev_id;
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@@ -217,7 +226,7 @@ static irqreturn_t snd_cs5535audio_interrupt(int irq, void *dev_id)
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if (!acc_irq_stat)
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return IRQ_NONE;
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- for (count = 0; count < 10; count++) {
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+ for (count = 0; count < 4; count++) {
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if (acc_irq_stat & (1 << count)) {
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switch (count) {
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case IRQ_STS:
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@@ -232,26 +241,9 @@ static irqreturn_t snd_cs5535audio_interrupt(int irq, void *dev_id)
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case BM1_IRQ_STS:
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process_bm1_irq(cs5535au);
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break;
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- case BM2_IRQ_STS:
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- bm_stat = cs_readb(cs5535au, ACC_BM2_STATUS);
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- break;
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- case BM3_IRQ_STS:
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- bm_stat = cs_readb(cs5535au, ACC_BM3_STATUS);
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- break;
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- case BM4_IRQ_STS:
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- bm_stat = cs_readb(cs5535au, ACC_BM4_STATUS);
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- break;
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- case BM5_IRQ_STS:
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- bm_stat = cs_readb(cs5535au, ACC_BM5_STATUS);
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- break;
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- case BM6_IRQ_STS:
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- bm_stat = cs_readb(cs5535au, ACC_BM6_STATUS);
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- break;
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- case BM7_IRQ_STS:
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- bm_stat = cs_readb(cs5535au, ACC_BM7_STATUS);
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- break;
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default:
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- snd_printk(KERN_ERR "Unexpected irq src\n");
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+ snd_printk(KERN_ERR "Unexpected irq src: "
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+ "0x%x\n", acc_irq_stat);
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break;
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}
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}
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diff --git a/sound/pci/cs5535audio/cs5535audio.h b/sound/pci/cs5535audio/cs5535audio.h
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index 4fd1f31..ff82f10 100644
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--- a/sound/pci/cs5535audio/cs5535audio.h
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+++ b/sound/pci/cs5535audio/cs5535audio.h
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@@ -16,57 +16,28 @@
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#define ACC_IRQ_STATUS 0x12
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#define ACC_BM0_CMD 0x20
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#define ACC_BM1_CMD 0x28
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-#define ACC_BM2_CMD 0x30
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-#define ACC_BM3_CMD 0x38
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-#define ACC_BM4_CMD 0x40
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-#define ACC_BM5_CMD 0x48
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-#define ACC_BM6_CMD 0x50
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-#define ACC_BM7_CMD 0x58
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#define ACC_BM0_PRD 0x24
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#define ACC_BM1_PRD 0x2C
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-#define ACC_BM2_PRD 0x34
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-#define ACC_BM3_PRD 0x3C
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-#define ACC_BM4_PRD 0x44
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-#define ACC_BM5_PRD 0x4C
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-#define ACC_BM6_PRD 0x54
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-#define ACC_BM7_PRD 0x5C
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#define ACC_BM0_STATUS 0x21
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#define ACC_BM1_STATUS 0x29
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-#define ACC_BM2_STATUS 0x31
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-#define ACC_BM3_STATUS 0x39
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-#define ACC_BM4_STATUS 0x41
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-#define ACC_BM5_STATUS 0x49
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-#define ACC_BM6_STATUS 0x51
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-#define ACC_BM7_STATUS 0x59
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#define ACC_BM0_PNTR 0x60
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#define ACC_BM1_PNTR 0x64
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-#define ACC_BM2_PNTR 0x68
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-#define ACC_BM3_PNTR 0x6C
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-#define ACC_BM4_PNTR 0x70
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-#define ACC_BM5_PNTR 0x74
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-#define ACC_BM6_PNTR 0x78
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-#define ACC_BM7_PNTR 0x7C
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+
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/* acc_codec bar0 reg bits */
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/* ACC_IRQ_STATUS */
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#define IRQ_STS 0
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#define WU_IRQ_STS 1
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#define BM0_IRQ_STS 2
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#define BM1_IRQ_STS 3
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-#define BM2_IRQ_STS 4
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-#define BM3_IRQ_STS 5
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-#define BM4_IRQ_STS 6
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-#define BM5_IRQ_STS 7
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-#define BM6_IRQ_STS 8
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-#define BM7_IRQ_STS 9
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/* ACC_BMX_STATUS */
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#define EOP (1<<0)
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#define BM_EOP_ERR (1<<1)
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/* ACC_BMX_CTL */
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-#define BM_CTL_EN 0x00000001
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-#define BM_CTL_PAUSE 0x00000011
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-#define BM_CTL_DIS 0x00000000
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-#define BM_CTL_BYTE_ORD_LE 0x00000000
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-#define BM_CTL_BYTE_ORD_BE 0x00000100
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+#define BM_CTL_EN 0x01
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+#define BM_CTL_PAUSE 0x03
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+#define BM_CTL_DIS 0x00
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+#define BM_CTL_BYTE_ORD_LE 0x00
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+#define BM_CTL_BYTE_ORD_BE 0x04
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/* cs5535 specific ac97 codec register defines */
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#define CMD_MASK 0xFF00FFFF
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#define CMD_NEW 0x00010000
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@@ -106,8 +77,8 @@ struct cs5535audio_dma {
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struct snd_pcm_substream *substream;
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unsigned int buf_addr, buf_bytes;
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unsigned int period_bytes, periods;
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- int suspended;
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u32 saved_prd;
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+ int pcm_open_flag;
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};
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struct cs5535audio {
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@@ -123,8 +94,21 @@ struct cs5535audio {
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struct cs5535audio_dma dmas[NUM_CS5535AUDIO_DMAS];
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};
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+#ifdef CONFIG_PM
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int snd_cs5535audio_suspend(struct pci_dev *pci, pm_message_t state);
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int snd_cs5535audio_resume(struct pci_dev *pci);
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+#endif
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+
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+#ifdef CONFIG_OLPC
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+void olpc_prequirks(struct snd_card *card, struct snd_ac97_template *ac97) __devinit;
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+int olpc_quirks(struct snd_card *card, struct snd_ac97 *ac97) __devinit;
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+int olpc_ai_enable(struct snd_ac97 *ac97, u8 val);
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+#else
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+#define olpc_prequirks(arg,arg2) do {} while (0)
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+#define olpc_quirks(arg,arg2) (0)
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+#define olpc_ai_enable(a, v) (0)
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+#endif
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+
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int __devinit snd_cs5535audio_pcm(struct cs5535audio *cs5535audio);
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#endif /* __SOUND_CS5535AUDIO_H */
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diff --git a/sound/pci/cs5535audio/cs5535audio_pcm.c b/sound/pci/cs5535audio/cs5535audio_pcm.c
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index 5450a9e..d23f8ea 100644
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--- a/sound/pci/cs5535audio/cs5535audio_pcm.c
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+++ b/sound/pci/cs5535audio/cs5535audio_pcm.c
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@@ -164,6 +164,7 @@ static int cs5535audio_build_dma_packets(struct cs5535audio *cs5535au,
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jmpprd_addr = cpu_to_le32(lastdesc->addr +
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(sizeof(struct cs5535audio_dma_desc)*periods));
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+ dma->substream = substream;
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dma->period_bytes = period_bytes;
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dma->periods = periods;
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spin_lock_irq(&cs5535au->reg_lock);
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@@ -241,6 +242,7 @@ static void cs5535audio_clear_dma_packets(struct cs5535audio *cs5535au,
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{
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snd_dma_free_pages(&dma->desc_buf);
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dma->desc_buf.area = NULL;
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+ dma->substream = NULL;
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}
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static int snd_cs5535audio_hw_params(struct snd_pcm_substream *substream,
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@@ -260,6 +262,9 @@ static int snd_cs5535audio_hw_params(struct snd_pcm_substream *substream,
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err = cs5535audio_build_dma_packets(cs5535au, dma, substream,
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params_periods(hw_params),
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params_period_bytes(hw_params));
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+ if (!err)
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+ dma->pcm_open_flag = 1;
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+
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return err;
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}
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@@ -268,6 +273,15 @@ static int snd_cs5535audio_hw_free(struct snd_pcm_substream *substream)
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struct cs5535audio *cs5535au = snd_pcm_substream_chip(substream);
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struct cs5535audio_dma *dma = substream->runtime->private_data;
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+ if (dma->pcm_open_flag) {
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+ if (substream == cs5535au->playback_substream)
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+ snd_ac97_update_power(cs5535au->ac97,
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+ AC97_PCM_FRONT_DAC_RATE, 0);
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+ else
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+ snd_ac97_update_power(cs5535au->ac97,
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+ AC97_PCM_LR_ADC_RATE, 0);
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+ dma->pcm_open_flag = 0;
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+ }
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cs5535audio_clear_dma_packets(cs5535au, dma, substream);
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return snd_pcm_lib_free_pages(substream);
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}
|
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@@ -298,14 +312,12 @@ static int snd_cs5535audio_trigger(struct snd_pcm_substream *substream, int cmd)
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break;
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case SNDRV_PCM_TRIGGER_RESUME:
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dma->ops->enable_dma(cs5535au);
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- dma->suspended = 0;
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break;
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case SNDRV_PCM_TRIGGER_STOP:
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dma->ops->disable_dma(cs5535au);
|
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break;
|
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case SNDRV_PCM_TRIGGER_SUSPEND:
|
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dma->ops->disable_dma(cs5535au);
|
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- dma->suspended = 1;
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break;
|
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default:
|
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snd_printk(KERN_ERR "unhandled trigger\n");
|
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@@ -344,6 +356,7 @@ static int snd_cs5535audio_capture_open(struct snd_pcm_substream *substream)
|
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int err;
|
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struct cs5535audio *cs5535au = snd_pcm_substream_chip(substream);
|
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struct snd_pcm_runtime *runtime = substream->runtime;
|
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+ struct snd_ac97 *ac97 = cs5535au->ac97;
|
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|
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runtime->hw = snd_cs5535audio_capture;
|
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cs5535au->capture_substream = substream;
|
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@@ -352,11 +365,29 @@ static int snd_cs5535audio_capture_open(struct snd_pcm_substream *substream)
|
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if ((err = snd_pcm_hw_constraint_integer(runtime,
|
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SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
|
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return err;
|
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- return 0;
|
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+
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+#ifdef CONFIG_OLPC
|
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+ /* Disable Analog Input */
|
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+ olpc_ai_enable(ac97, 0);
|
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+ /* Enable V_ref bias while recording. */
|
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+ snd_ac97_update_bits(ac97, AC97_AD_MISC, 1<<AC97_AD_VREFD_SHIFT, 0);
|
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+#endif
|
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+ return err;
|
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}
|
||||
|
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static int snd_cs5535audio_capture_close(struct snd_pcm_substream *substream)
|
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{
|
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+#ifdef CONFIG_OLPC
|
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+ struct cs5535audio *cs5535au = snd_pcm_substream_chip(substream);
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+ struct snd_ac97 *ac97 = cs5535au->ac97;
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+
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+ /* Disable Analog Input */
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+ olpc_ai_enable(ac97, 0);
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+ /* Disable V_ref bias. */
|
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+ snd_ac97_update_bits(ac97, AC97_AD_MISC, 1<<AC97_AD_VREFD_SHIFT,
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+ 1<<AC97_AD_VREFD_SHIFT);
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+#endif
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+
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return 0;
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}
|
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diff --git a/sound/pci/cs5535audio/cs5535audio_pm.c b/sound/pci/cs5535audio/cs5535audio_pm.c
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index 3e4d198..838708f 100644
|
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--- a/sound/pci/cs5535audio/cs5535audio_pm.c
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+++ b/sound/pci/cs5535audio/cs5535audio_pm.c
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@@ -64,18 +64,21 @@ int snd_cs5535audio_suspend(struct pci_dev *pci, pm_message_t state)
|
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int i;
|
||||
|
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snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
|
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+ snd_pcm_suspend_all(cs5535au->pcm);
|
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+ snd_ac97_suspend(cs5535au->ac97);
|
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for (i = 0; i < NUM_CS5535AUDIO_DMAS; i++) {
|
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struct cs5535audio_dma *dma = &cs5535au->dmas[i];
|
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- if (dma && dma->substream && !dma->suspended)
|
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+ if (dma && dma->substream)
|
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dma->saved_prd = dma->ops->read_prd(cs5535au);
|
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}
|
||||
- snd_pcm_suspend_all(cs5535au->pcm);
|
||||
- snd_ac97_suspend(cs5535au->ac97);
|
||||
/* save important regs, then disable aclink in hw */
|
||||
snd_cs5535audio_stop_hardware(cs5535au);
|
||||
|
||||
+ if (pci_save_state(pci)) {
|
||||
+ printk(KERN_ERR "cs5535audio: pci_save_state failed!\n");
|
||||
+ return -EIO;
|
||||
+ }
|
||||
pci_disable_device(pci);
|
||||
- pci_save_state(pci);
|
||||
pci_set_power_state(pci, pci_choose_state(pci, state));
|
||||
return 0;
|
||||
}
|
||||
@@ -89,7 +92,12 @@ int snd_cs5535audio_resume(struct pci_dev *pci)
|
||||
int i;
|
||||
|
||||
pci_set_power_state(pci, PCI_D0);
|
||||
- pci_restore_state(pci);
|
||||
+ if (pci_restore_state(pci) < 0) {
|
||||
+ printk(KERN_ERR "cs5535audio: pci_restore_state failed, "
|
||||
+ "disabling device\n");
|
||||
+ snd_card_disconnect(card);
|
||||
+ return -EIO;
|
||||
+ }
|
||||
if (pci_enable_device(pci) < 0) {
|
||||
printk(KERN_ERR "cs5535audio: pci_enable_device failed, "
|
||||
"disabling device\n");
|
||||
@@ -112,17 +120,17 @@ int snd_cs5535audio_resume(struct pci_dev *pci)
|
||||
if (!timeout)
|
||||
snd_printk(KERN_ERR "Failure getting AC Link ready\n");
|
||||
|
||||
- /* we depend on ac97 to perform the codec power up */
|
||||
- snd_ac97_resume(cs5535au->ac97);
|
||||
/* set up rate regs, dma. actual initiation is done in trig */
|
||||
for (i = 0; i < NUM_CS5535AUDIO_DMAS; i++) {
|
||||
struct cs5535audio_dma *dma = &cs5535au->dmas[i];
|
||||
- if (dma && dma->substream && dma->suspended) {
|
||||
+ if (dma && dma->substream) {
|
||||
dma->substream->ops->prepare(dma->substream);
|
||||
dma->ops->setup_prd(cs5535au, dma->saved_prd);
|
||||
}
|
||||
}
|
||||
-
|
||||
+
|
||||
+ /* we depend on ac97 to perform the codec power up */
|
||||
+ snd_ac97_resume(cs5535au->ac97);
|
||||
snd_power_change_state(card, SNDRV_CTL_POWER_D0);
|
||||
|
||||
return 0;
|
Loading…
Reference in New Issue
Block a user