A new element 'name' is added to pwm backlight platform data structure.
This is required to identify the pwm device.
Signed-off-by: Arun Murthy <arun.murthy@xxxxxxxxxxxxxx>
Acked-by: Linus Walleij <linus.walleij@xxxxxxxxxxxxxx>
---
drivers/video/backlight/pwm_bl.c | 4 +++-
include/linux/pwm_backlight.h | 1 +
2 files changed, 4 insertions(+), 1 deletions(-)
diff --git a/drivers/video/backlight/pwm_bl.c b/drivers/video/backlight/pwm_bl.c
index 5504435..b0978a8 100644
--- a/drivers/video/backlight/pwm_bl.c
+++ b/drivers/video/backlight/pwm_bl.c
@@ -94,7 +94,9 @@ static int pwm_backlight_probe(struct platform_device *pdev)
pb->notify = data->notify;
pb->dev = &pdev->dev;
- pb->pwm = pwm_request(data->pwm_id, "backlight");
+ if (!data->name)
+ data->name = "backlight";
+ pb->pwm = pwm_request(data->pwm_id, data->name);
if (IS_ERR(pb->pwm)) {
dev_err(&pdev->dev, "unable to request PWM for backlight\n");
ret = PTR_ERR(pb->pwm);
diff --git a/include/linux/pwm_backlight.h b/include/linux/pwm_backlight.h
index 01b3d75..c2ce8f8 100644
--- a/include/linux/pwm_backlight.h
+++ b/include/linux/pwm_backlight.h
@@ -6,6 +6,7 @@
struct platform_pwm_backlight_data {
int pwm_id;
+ char *name;
unsigned int max_brightness;
unsigned int dft_brightness;
unsigned int pwm_period_ns;
--
1.7.2.dirty
