The patch titled
Subject: drivers/video/backlight/adp88x0_bl.c: fix bit testing logic
has been removed from the -mm tree. Its filename was
drivers-video-backlight-adp88x0_blc-fix-bit-testing-logic.patch
This patch was dropped because it was merged into mainline or a subsystem tree
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
From: Axel Lin <axel.lin@xxxxxxxxx>
Subject: drivers/video/backlight/adp88x0_bl.c: fix bit testing logic
We need to write new value if the bit mask fields of new value is not
equal to old value. It does not make sense to write new value only when
all the bit_mask bits are zero.
Signed-off-by: Axel Lin <axel.lin@xxxxxxxxx>
Cc: Michael Hennerich <michael.hennerich@xxxxxxxxxx>
Cc: Richard Purdie <rpurdie@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/video/backlight/adp8860_bl.c | 2 +-
drivers/video/backlight/adp8870_bl.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff -puN drivers/video/backlight/adp8860_bl.c~drivers-video-backlight-adp88x0_blc-fix-bit-testing-logic drivers/video/backlight/adp8860_bl.c
--- a/drivers/video/backlight/adp8860_bl.c~drivers-video-backlight-adp88x0_blc-fix-bit-testing-logic
+++ a/drivers/video/backlight/adp8860_bl.c
@@ -146,7 +146,7 @@ static int adp8860_set_bits(struct i2c_c
ret = adp8860_read(client, reg, ®_val);
- if (!ret && ((reg_val & bit_mask) == 0)) {
+ if (!ret && ((reg_val & bit_mask) != bit_mask)) {
reg_val |= bit_mask;
ret = adp8860_write(client, reg, reg_val);
}
diff -puN drivers/video/backlight/adp8870_bl.c~drivers-video-backlight-adp88x0_blc-fix-bit-testing-logic drivers/video/backlight/adp8870_bl.c
--- a/drivers/video/backlight/adp8870_bl.c~drivers-video-backlight-adp88x0_blc-fix-bit-testing-logic
+++ a/drivers/video/backlight/adp8870_bl.c
@@ -160,7 +160,7 @@ static int adp8870_set_bits(struct i2c_c
ret = adp8870_read(client, reg, ®_val);
- if (!ret && ((reg_val & bit_mask) == 0)) {
+ if (!ret && ((reg_val & bit_mask) != bit_mask)) {
reg_val |= bit_mask;
ret = adp8870_write(client, reg, reg_val);
}
_
Patches currently in -mm which might be from axel.lin@xxxxxxxxx are
origin.patch
linux-next.patch
platform-drivers-x86-convert-drivers-platform-x86-to-use-module_platform_driver.patch
backlight-convert-backlight-i2c-drivers-to-module_i2c_driver.patch
backlight-convert-backlight-spi-drivers-to-module_spi_driver.patch
rtc-convert-rtc-spi-drivers-to-module_spi_driver.patch
rtc-convert-rtc-i2c-drivers-to-module_i2c_driver.patch
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