Message ID | 1395234209-15546-11-git-send-email-alexandre.belloni@free-electrons.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Around Wed 19 Mar 2014 14:03:23 +0100 or thereabout, Alexandre Belloni wrote: > Switch to the generic leds_pwm driver instead of leds-atmel-pwm. > > Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> Acked-by: Hans-Christian Egtvedt <egtvedt@samfundet.no> I do not have this add-on board either, so I can only provide compile tests myself. > --- > arch/avr32/boards/atngw100/mrmt.c | 35 +++++++++++++++++++++++------------ > 1 file changed, 23 insertions(+), 12 deletions(-) > > diff --git a/arch/avr32/boards/atngw100/mrmt.c b/arch/avr32/boards/atngw100/mrmt.c > index 1ba09e4c02b1..134e94c3d504 100644 > --- a/arch/avr32/boards/atngw100/mrmt.c > +++ b/arch/avr32/boards/atngw100/mrmt.c > @@ -17,6 +17,8 @@ > #include <linux/types.h> > #include <linux/fb.h> > #include <linux/leds.h> > +#include <linux/pwm.h> > +#include <linux/leds_pwm.h> > #include <linux/input.h> > #include <linux/gpio_keys.h> > #include <linux/atmel_serial.h> > @@ -155,21 +157,29 @@ static struct platform_device rmt_ts_device = { > > #ifdef CONFIG_BOARD_MRMT_BL_PWM > /* PWM LEDs: LCD Backlight, etc */ > -static struct gpio_led rmt_pwm_led[] = { > - /* here the "gpio" is actually a PWM channel */ > - { .name = "backlight", .gpio = PWM_CH_BL, }, > +static struct pwm_lookup pwm_lookup[] = { > + PWM_LOOKUP("at91sam9rl-pwm", PWM_CH_BL, "leds_pwm", "ds1"), > }; > > -static struct gpio_led_platform_data rmt_pwm_led_data = { > - .num_leds = ARRAY_SIZE(rmt_pwm_led), > - .leds = rmt_pwm_led, > +static struct led_pwm pwm_leds[] = { > + { > + .name = "backlight", > + .max_brightness = 255, > + .pwm_period_ns = 5000, > + .active_low = 1, > + }, > +}; > + > +static struct led_pwm_platform_data pwm_data = { > + .num_leds = ARRAY_SIZE(pwm_leds), > + .leds = pwm_leds, > }; > > -static struct platform_device rmt_pwm_led_dev = { > - .name = "leds-atmel-pwm", > - .id = -1, > - .dev = { > - .platform_data = &rmt_pwm_led_data, > +static struct platform_device leds_pwm = { > + .name = "leds_pwm", > + .id = -1, > + .dev = { > + .platform_data = &pwm_data, > }, > }; > #endif > @@ -325,7 +335,8 @@ static int __init mrmt1_init(void) > #ifdef CONFIG_BOARD_MRMT_BL_PWM > /* Use PWM for Backlight controls */ > at32_add_device_pwm(1 << PWM_CH_BL); > - platform_device_register(&rmt_pwm_led_dev); > + pwm_add_table(pwm_lookup, ARRAY_SIZE(pwm_lookup)); > + platform_device_register(&leds_pwm); > #else > /* Backlight always on */ > udelay( 1 );
diff --git a/arch/avr32/boards/atngw100/mrmt.c b/arch/avr32/boards/atngw100/mrmt.c index 1ba09e4c02b1..134e94c3d504 100644 --- a/arch/avr32/boards/atngw100/mrmt.c +++ b/arch/avr32/boards/atngw100/mrmt.c @@ -17,6 +17,8 @@ #include <linux/types.h> #include <linux/fb.h> #include <linux/leds.h> +#include <linux/pwm.h> +#include <linux/leds_pwm.h> #include <linux/input.h> #include <linux/gpio_keys.h> #include <linux/atmel_serial.h> @@ -155,21 +157,29 @@ static struct platform_device rmt_ts_device = { #ifdef CONFIG_BOARD_MRMT_BL_PWM /* PWM LEDs: LCD Backlight, etc */ -static struct gpio_led rmt_pwm_led[] = { - /* here the "gpio" is actually a PWM channel */ - { .name = "backlight", .gpio = PWM_CH_BL, }, +static struct pwm_lookup pwm_lookup[] = { + PWM_LOOKUP("at91sam9rl-pwm", PWM_CH_BL, "leds_pwm", "ds1"), }; -static struct gpio_led_platform_data rmt_pwm_led_data = { - .num_leds = ARRAY_SIZE(rmt_pwm_led), - .leds = rmt_pwm_led, +static struct led_pwm pwm_leds[] = { + { + .name = "backlight", + .max_brightness = 255, + .pwm_period_ns = 5000, + .active_low = 1, + }, +}; + +static struct led_pwm_platform_data pwm_data = { + .num_leds = ARRAY_SIZE(pwm_leds), + .leds = pwm_leds, }; -static struct platform_device rmt_pwm_led_dev = { - .name = "leds-atmel-pwm", - .id = -1, - .dev = { - .platform_data = &rmt_pwm_led_data, +static struct platform_device leds_pwm = { + .name = "leds_pwm", + .id = -1, + .dev = { + .platform_data = &pwm_data, }, }; #endif @@ -325,7 +335,8 @@ static int __init mrmt1_init(void) #ifdef CONFIG_BOARD_MRMT_BL_PWM /* Use PWM for Backlight controls */ at32_add_device_pwm(1 << PWM_CH_BL); - platform_device_register(&rmt_pwm_led_dev); + pwm_add_table(pwm_lookup, ARRAY_SIZE(pwm_lookup)); + platform_device_register(&leds_pwm); #else /* Backlight always on */ udelay( 1 );
Switch to the generic leds_pwm driver instead of leds-atmel-pwm. Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> --- arch/avr32/boards/atngw100/mrmt.c | 35 +++++++++++++++++++++++------------ 1 file changed, 23 insertions(+), 12 deletions(-)