Messages in this thread | | | Date | Wed, 19 Mar 2014 15:20:01 +0100 | From | Hans-Christian Egtvedt <> | Subject | Re: [PATCH 11/16] avr32: merisc: use generic leds_pwm driver |
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Around Wed 19 Mar 2014 14:03:24 +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 board either.
> --- > arch/avr32/boards/merisc/setup.c | 34 +++++++++++++++++++++------------- > 1 file changed, 21 insertions(+), 13 deletions(-) > > diff --git a/arch/avr32/boards/merisc/setup.c b/arch/avr32/boards/merisc/setup.c > index ed137e335796..b0980c1946a7 100644 > --- a/arch/avr32/boards/merisc/setup.c > +++ b/arch/avr32/boards/merisc/setup.c > @@ -22,6 +22,8 @@ > #include <linux/irq.h> > #include <linux/fb.h> > #include <linux/atmel-mci.h> > +#include <linux/pwm.h> > +#include <linux/leds_pwm.h> > > #include <asm/io.h> > #include <asm/setup.h> > @@ -167,24 +169,29 @@ static struct i2c_board_info __initdata i2c_info[] = { > }, > }; > > -#ifdef CONFIG_LEDS_ATMEL_PWM > -static struct gpio_led stk_pwm_led[] = { > +#if IS_ENABLED(CONFIG_LEDS_PWM) > +static struct pwm_lookup pwm_lookup[] = { > + PWM_LOOKUP("at91sam9rl-pwm", 0, "leds_pwm", "backlight"), > +}; > + > +static struct led_pwm pwm_leds[] = { > { > .name = "backlight", > - .gpio = 0, /* PWM channel 0 (LCD backlight) */ > + .max_brightness = 255, > + .pwm_period_ns = 5000, > }, > }; > > -static struct gpio_led_platform_data stk_pwm_led_data = { > - .num_leds = ARRAY_SIZE(stk_pwm_led), > - .leds = stk_pwm_led, > +static struct led_pwm_platform_data pwm_data = { > + .num_leds = ARRAY_SIZE(pwm_leds), > + .leds = pwm_leds, > }; > > -static struct platform_device stk_pwm_led_dev = { > - .name = "leds-atmel-pwm", > - .id = -1, > - .dev = { > - .platform_data = &stk_pwm_led_data, > +static struct platform_device leds_pwm = { > + .name = "leds_pwm", > + .id = -1, > + .dev = { > + .platform_data = &pwm_data, > }, > }; > #endif > @@ -278,9 +285,10 @@ static int __init merisc_init(void) > > at32_add_device_mci(0, &mci0_data); > > -#ifdef CONFIG_LEDS_ATMEL_PWM > +#if IS_ENABLED(CONFIG_LEDS_PWM) > + pwm_add_table(pwm_lookup, ARRAY_SIZE(pwm_lookup)); > at32_add_device_pwm((1 << 0) | (1 << 2)); > - platform_device_register(&stk_pwm_led_dev); > + platform_device_register(&leds_pwm); > #else > at32_add_device_pwm((1 << 2)); > #endif -- mvh Hans-Christian Egtvedt
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