diff options
| author | Peter Ujfalusi <peter.ujfalusi@ti.com> | 2013-03-11 11:57:00 (GMT) |
|---|---|---|
| committer | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2013-04-04 08:50:20 (GMT) |
| commit | c1c88137764748d74f3d5eb4637d49648716279b (patch) | |
| tree | 07fbb19d7d8e12fb1632b76d0996e70913e9eb8b /arch/arm/mach-omap2/board-zoom-display.c | |
| parent | c3f80cbcac28dee4503a229bf1cc50c43425d857 (diff) | |
| download | linux-fsl-qoriq-c1c88137764748d74f3d5eb4637d49648716279b.tar.xz | |
ARM: OMAP: zoom: Use pwm stack for lcd and keyboard backlight
Use pwm_leds driver for the keyboard light and pwm-backlight for the lcd
backlight control (instead of implementing the PWM driver part in the board
file).
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Diffstat (limited to 'arch/arm/mach-omap2/board-zoom-display.c')
| -rw-r--r-- | arch/arm/mach-omap2/board-zoom-display.c | 56 |
1 files changed, 0 insertions, 56 deletions
diff --git a/arch/arm/mach-omap2/board-zoom-display.c b/arch/arm/mach-omap2/board-zoom-display.c index 8cef477..9a7174f 100644 --- a/arch/arm/mach-omap2/board-zoom-display.c +++ b/arch/arm/mach-omap2/board-zoom-display.c @@ -12,7 +12,6 @@ #include <linux/init.h> #include <linux/platform_device.h> #include <linux/gpio.h> -#include <linux/i2c/twl.h> #include <linux/spi/spi.h> #include <linux/platform_data/spi-omap2-mcspi.h> #include <video/omapdss.h> @@ -49,59 +48,6 @@ static void zoom_panel_disable_lcd(struct omap_dss_device *dssdev) { } -/* Register offsets in TWL4030_MODULE_INTBR */ -#define TWL_INTBR_PMBR1 0xD -#define TWL_INTBR_GPBR1 0xC - -/* Register offsets in TWL_MODULE_PWM */ -#define TWL_LED_PWMON 0x3 -#define TWL_LED_PWMOFF 0x4 - -static int zoom_set_bl_intensity(struct omap_dss_device *dssdev, int level) -{ -#ifdef CONFIG_TWL4030_CORE - unsigned char c; - u8 mux_pwm, enb_pwm; - - if (level > 100) - return -1; - - twl_i2c_read_u8(TWL4030_MODULE_INTBR, &mux_pwm, TWL_INTBR_PMBR1); - twl_i2c_read_u8(TWL4030_MODULE_INTBR, &enb_pwm, TWL_INTBR_GPBR1); - - if (level == 0) { - /* disable pwm1 output and clock */ - enb_pwm = enb_pwm & 0xF5; - /* change pwm1 pin to gpio pin */ - mux_pwm = mux_pwm & 0xCF; - twl_i2c_write_u8(TWL4030_MODULE_INTBR, - enb_pwm, TWL_INTBR_GPBR1); - twl_i2c_write_u8(TWL4030_MODULE_INTBR, - mux_pwm, TWL_INTBR_PMBR1); - return 0; - } - - if (!((enb_pwm & 0xA) && (mux_pwm & 0x30))) { - /* change gpio pin to pwm1 pin */ - mux_pwm = mux_pwm | 0x30; - /* enable pwm1 output and clock*/ - enb_pwm = enb_pwm | 0x0A; - twl_i2c_write_u8(TWL4030_MODULE_INTBR, - mux_pwm, TWL_INTBR_PMBR1); - twl_i2c_write_u8(TWL4030_MODULE_INTBR, - enb_pwm, TWL_INTBR_GPBR1); - } - - c = ((50 * (100 - level)) / 100) + 1; - twl_i2c_write_u8(TWL_MODULE_PWM, 0x7F, TWL_LED_PWMOFF); - twl_i2c_write_u8(TWL_MODULE_PWM, c, TWL_LED_PWMON); -#else - pr_warn("Backlight not enabled\n"); -#endif - - return 0; -} - static struct omap_dss_device zoom_lcd_device = { .name = "lcd", .driver_name = "NEC_8048_panel", @@ -109,8 +55,6 @@ static struct omap_dss_device zoom_lcd_device = { .phy.dpi.data_lines = 24, .platform_enable = zoom_panel_enable_lcd, .platform_disable = zoom_panel_disable_lcd, - .max_backlight_level = 100, - .set_backlight = zoom_set_bl_intensity, }; static struct omap_dss_device *zoom_dss_devices[] = { |