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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2014-10-11 06:38:33 -0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-10-11 06:38:33 -0400 |
| commit | 4e0b7fe38345b81930363b9f1b4b324181ddcc9e (patch) | |
| tree | efeec2082c06e3298273d296ce172dba227bd8eb /drivers/video/backlight/adp8870_bl.c | |
| parent | f43b179bbd84d2106c6fb8c7f2db1bfacff19f62 (diff) | |
| parent | b6af73b42219aa6b253ef5c0020eff1019485ffc (diff) | |
| download | linux-rt-4e0b7fe38345b81930363b9f1b4b324181ddcc9e.tar.gz | |
Merge tag 'backlight-for-linus-3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight
Pull backlight driver updates from Lee Jones:
"Changes to existing drivers:
- Checkpatch fixes
- Removal of unused code in generic_bl
- Removal of superfluous .owner attribute
No new or removed drivers/supported devices"
* tag 'backlight-for-linus-3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight:
backlight: omap1: add blank line after declarations
backlight: jornada720: Remove 'else' after a return
backlight: jornada720: Remove 'else' after a return
backlight: wm831x_bl: Add blank line after declarations
backlight: tdo24m: Add blank line after declarations
backlight: s6e63m0: Remove 'else' after a return
backlight: pcf50633: Add blank line after declarations
backlight: lp855x: Add blank line after declarations
backlight: lms501kf03: Remove 'else' after a return
backlight: lm3639: Remove unnecessary return statements
backlight: ld9040: Remove 'else' after a return
backlight: ili922x: Remove 'else' after a return
backlight: cr_bllcd: Add blank line after declarations
backlight: corgi_lcd: Add blank line after declarations
backlight: ams369fg06: Remove 'else' after a return
backlight: adp8870: Add blank line after declarations
backlight: adp8860: Add blank line after declarations
backlight: adp5520: Add blank line after declarations
backlight: generic_bl: Remove unused function
backlight: Remove .owner field for drivers using module_platform_driver
Diffstat (limited to 'drivers/video/backlight/adp8870_bl.c')
| -rw-r--r-- | drivers/video/backlight/adp8870_bl.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/video/backlight/adp8870_bl.c b/drivers/video/backlight/adp8870_bl.c index 251af4d38d86..037e43083343 100644 --- a/drivers/video/backlight/adp8870_bl.c +++ b/drivers/video/backlight/adp8870_bl.c @@ -144,6 +144,7 @@ static int adp8870_read(struct i2c_client *client, int reg, uint8_t *val) static int adp8870_write(struct i2c_client *client, u8 reg, u8 val) { int ret = i2c_smbus_write_byte_data(client, reg, val); + if (ret) dev_err(&client->dev, "failed to write\n"); @@ -195,6 +196,7 @@ static int adp8870_clr_bits(struct i2c_client *client, int reg, uint8_t bit_mask static void adp8870_led_work(struct work_struct *work) { struct adp8870_led *led = container_of(work, struct adp8870_led, work); + adp8870_write(led->client, ADP8870_ISC1 + led->id - 1, led->new_brightness >> 1); } @@ -399,6 +401,7 @@ static int adp8870_bl_set(struct backlight_device *bl, int brightness) static int adp8870_bl_update_status(struct backlight_device *bl) { int brightness = bl->props.brightness; + if (bl->props.power != FB_BLANK_UNBLANK) brightness = 0; @@ -649,6 +652,7 @@ static ssize_t adp8870_bl_l1_daylight_max_store(struct device *dev, { struct adp8870_bl *data = dev_get_drvdata(dev); int ret = kstrtoul(buf, 10, &data->cached_daylight_max); + if (ret) return ret; |