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51 lines
1.9 KiB
Diff
51 lines
1.9 KiB
Diff
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From eb0d4f1481de79a63f4a630bb874d3234a6ce13b Mon Sep 17 00:00:00 2001
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From: Sean McNeil <sean@mcneil.com>
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Date: Fri, 25 Jul 2008 23:06:11 +0100
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Subject: [PATCH] The following is a minor cleanup of backlight resume:
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---
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drivers/i2c/chips/pcf50633.c | 12 ++++--------
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1 files changed, 4 insertions(+), 8 deletions(-)
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diff --git a/drivers/i2c/chips/pcf50633.c b/drivers/i2c/chips/pcf50633.c
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index e5ffeff..f6886d7 100644
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--- a/drivers/i2c/chips/pcf50633.c
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+++ b/drivers/i2c/chips/pcf50633.c
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@@ -2228,8 +2228,9 @@ static int pcf50633_suspend(struct device *dev, pm_message_t state)
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void pcf50633_backlight_resume(struct pcf50633_data *pcf)
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{
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+ /* we force the backlight on in fact */
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__reg_write(pcf, PCF50633_REG_LEDOUT, pcf->standby_regs.ledout);
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- __reg_write(pcf, PCF50633_REG_LEDENA, pcf->standby_regs.ledena);
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+ __reg_write(pcf, PCF50633_REG_LEDENA, pcf->standby_regs.ledena | 0x01);
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__reg_write(pcf, PCF50633_REG_LEDDIM, pcf->standby_regs.leddim);
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}
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EXPORT_SYMBOL_GPL(pcf50633_backlight_resume);
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@@ -2243,8 +2244,6 @@ static int pcf50633_resume(struct device *dev)
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mutex_lock(&pcf->lock);
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- __reg_write(pcf, PCF50633_REG_LEDENA, 0x01);
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-
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/* Resume all saved registers that don't "survive" standby state */
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__reg_write(pcf, PCF50633_REG_INT1M, pcf->standby_regs.int1m);
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__reg_write(pcf, PCF50633_REG_INT2M, pcf->standby_regs.int2m);
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@@ -2263,11 +2262,8 @@ static int pcf50633_resume(struct device *dev)
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__reg_write(pcf, PCF50633_REG_MEMLDOENA, pcf->standby_regs.memldoena);
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/* platform can choose to defer backlight bringup */
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- if (!pcf->pdata->defer_resume_backlight) {
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- __reg_write(pcf, PCF50633_REG_LEDOUT, pcf->standby_regs.ledout);
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- __reg_write(pcf, PCF50633_REG_LEDENA, pcf->standby_regs.ledena);
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- __reg_write(pcf, PCF50633_REG_LEDDIM, pcf->standby_regs.leddim);
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- }
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+ if (!pcf->pdata->defer_resume_backlight)
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+ pcf50633_backlight_resume(pcf);
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/* FIXME: one big read? */
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for (i = 0; i < 7; i++) {
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--
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1.5.6.3
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