From mboxrd@z Thu Jan 1 00:00:00 1970 From: thierry.reding@gmail.com (Thierry Reding) Date: Mon, 5 Oct 2015 10:49:42 +0200 Subject: [PATCH 02/17] ARM: pxa: colibri-pxa270-income: Use PWM lookup table In-Reply-To: <1444034997-9805-1-git-send-email-thierry.reding@gmail.com> References: <1444034997-9805-1-git-send-email-thierry.reding@gmail.com> Message-ID: <1444034997-9805-3-git-send-email-thierry.reding@gmail.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 Cc: Haojian Zhuang Cc: Robert Jarzmik Signed-off-by: Thierry Reding --- arch/arm/mach-pxa/colibri-pxa270-income.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/arch/arm/mach-pxa/colibri-pxa270-income.c b/arch/arm/mach-pxa/colibri-pxa270-income.c index 3aa264640c9d..db20d25daaab 100644 --- a/arch/arm/mach-pxa/colibri-pxa270-income.c +++ b/arch/arm/mach-pxa/colibri-pxa270-income.c @@ -20,6 +20,7 @@ #include #include #include +#include #include #include @@ -184,11 +185,14 @@ static inline void income_lcd_init(void) {} * Backlight ******************************************************************************/ #if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE) +static struct pwm_lookup income_pwm_lookup[] = { + PWM_LOOKUP("pxa27x-pwm.0", 0, "pwm-backlight.0", NULL, 1000000, + PWM_POLARITY_NORMAL), +}; + static struct platform_pwm_backlight_data income_backlight_data = { - .pwm_id = 0, .max_brightness = 0x3ff, .dft_brightness = 0x1ff, - .pwm_period_ns = 1000000, .enable_gpio = -1, }; @@ -202,6 +206,7 @@ static struct platform_device income_backlight = { static void __init income_pwm_init(void) { + pwm_add_table(income_pwm_lookup, ARRAY_SIZE(income_pwm_lookup)); platform_device_register(&income_backlight); } #else -- 2.5.0