| Message ID | 1444049237-29878-5-git-send-email-thierry.reding@gmail.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On 05.10.2015 21:47, Thierry Reding wrote: > Use a PWM lookup table to provide the PWM to the pwm-backlight device. > The driver has a legacy code path that is required only because boards > still use the legacy method of requesting PWMs by global ID. Replacing > these usages allows that legacy fallback to be removed. > > Cc: Kukjin Kim <kgene@kernel.org> > Cc: Krzysztof Kozlowski <k.kozlowski@samsung.com> > Signed-off-by: Thierry Reding <thierry.reding@gmail.com> > --- > arch/arm/mach-s3c64xx/mach-crag6410.c | 9 +++++++-- > 1 file changed, 7 insertions(+), 2 deletions(-) > Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Best regards, Krzysztof -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/arch/arm/mach-s3c64xx/mach-crag6410.c b/arch/arm/mach-s3c64xx/mach-crag6410.c index 65c426bc45f7..d13aa3f9bac4 100644 --- a/arch/arm/mach-s3c64xx/mach-crag6410.c +++ b/arch/arm/mach-s3c64xx/mach-crag6410.c @@ -25,6 +25,7 @@ #include <linux/mmc/host.h> #include <linux/regulator/machine.h> #include <linux/regulator/fixed.h> +#include <linux/pwm.h> #include <linux/pwm_backlight.h> #include <linux/dm9000.h> #include <linux/gpio_keys.h> @@ -108,11 +109,14 @@ static struct s3c2410_uartcfg crag6410_uartcfgs[] __initdata = { }, }; +static struct pwm_lookup crag6410_pwm_lookup[] = { + PWM_LOOKUP("samsung-pwm", 0, "pwm-backlight", NULL, 100000, + PWM_POLARITY_NORMAL), +}; + static struct platform_pwm_backlight_data crag6410_backlight_data = { - .pwm_id = 0, .max_brightness = 1000, .dft_brightness = 600, - .pwm_period_ns = 100000, /* about 1kHz */ .enable_gpio = -1, }; @@ -843,6 +847,7 @@ static void __init crag6410_machine_init(void) samsung_keypad_set_platdata(&crag6410_keypad_data); s3c64xx_spi0_set_platdata(NULL, 0, 2); + pwm_add_table(crag6410_pwm_lookup, ARRAY_SIZE(crag6410_pwm_lookup)); platform_add_devices(crag6410_devices, ARRAY_SIZE(crag6410_devices)); gpio_led_register_device(-1, &gpio_leds_pdata);
Use a PWM lookup table to provide the PWM to the pwm-backlight device. The driver has a legacy code path that is required only because boards still use the legacy method of requesting PWMs by global ID. Replacing these usages allows that legacy fallback to be removed. Cc: Kukjin Kim <kgene@kernel.org> Cc: Krzysztof Kozlowski <k.kozlowski@samsung.com> Signed-off-by: Thierry Reding <thierry.reding@gmail.com> --- arch/arm/mach-s3c64xx/mach-crag6410.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-)