diff mbox

[10/16] avr32: MRMT: use generic leds_pwm driver

Message ID 1395234209-15546-11-git-send-email-alexandre.belloni@free-electrons.com (mailing list archive)
State New, archived
Headers show

Commit Message

Alexandre Belloni March 19, 2014, 1:03 p.m. UTC
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(-)

Comments

Hans-Christian Noren Egtvedt March 19, 2014, 2:19 p.m. UTC | #1
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 mbox

Patch

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 );