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| author | Thierry Reding <thierry.reding@gmail.com> | 2015-10-05 11:49:43 +0300 |
|---|---|---|
| committer | Robert Jarzmik <robert.jarzmik@free.fr> | 2015-10-05 23:25:09 +0300 |
| commit | c3322022897ca528b57e8854cd4fc40c61f81eb6 (patch) | |
| tree | f6194d3bdab3de09fa23ff98166ac55e9e7b8be4 /arch/arm/mach-pxa | |
| parent | bd2e2b3c354605d2064ddd8b3c9fbbe7d2df714f (diff) | |
| download | linux-c3322022897ca528b57e8854cd4fc40c61f81eb6.tar.xz | |
ARM: pxa: ezx: Use PWM lookup table
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: Daniel Mack <daniel@zonque.org>
Cc: Haojian Zhuang <haojian.zhuang@gmail.com>
Cc: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Diffstat (limited to 'arch/arm/mach-pxa')
| -rw-r--r-- | arch/arm/mach-pxa/ezx.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/arch/arm/mach-pxa/ezx.c b/arch/arm/mach-pxa/ezx.c index ab93441e596e..9a9c15bfcd34 100644 --- a/arch/arm/mach-pxa/ezx.c +++ b/arch/arm/mach-pxa/ezx.c @@ -15,6 +15,7 @@ #include <linux/init.h> #include <linux/platform_device.h> #include <linux/delay.h> +#include <linux/pwm.h> #include <linux/pwm_backlight.h> #include <linux/input.h> #include <linux/gpio.h> @@ -49,11 +50,14 @@ #define GPIO19_GEN1_CAM_RST 19 #define GPIO28_GEN2_CAM_RST 28 +static struct pwm_lookup ezx_pwm_lookup[] = { + PWM_LOOKUP("pxa27x-pwm.0", 0, "pwm-backlight.0", NULL, 78700, + PWM_POLARITY_NORMAL), +}; + static struct platform_pwm_backlight_data ezx_backlight_data = { - .pwm_id = 0, .max_brightness = 1023, .dft_brightness = 1023, - .pwm_period_ns = 78770, .enable_gpio = -1, }; @@ -817,6 +821,7 @@ static void __init a780_init(void) platform_device_register(&a780_camera); } + pwm_add_table(ezx_pwm_lookup, ARRAY_SIZE(ezx_pwm_lookup)); platform_add_devices(ARRAY_AND_SIZE(ezx_devices)); platform_add_devices(ARRAY_AND_SIZE(a780_devices)); } |