diff options
| author | Mayuresh Janorkar <mayur@ti.com> | 2009-11-12 16:02:24 +0100 |
|---|---|---|
| committer | Santosh Shilimkar <santosh.shilimkar@ti.com> | 2009-11-12 19:28:04 +0100 |
| commit | ed4b4d68d82de81897b3b81321d70a99828d3a61 (patch) | |
| tree | ae6e71e4d8e7431f461a44e1b950488774a1d38f /drivers | |
| parent | 4636019e1d44cbfb1c7e0d9a6d21bf4173a9ecf0 (diff) | |
DSI: To enable backlight for primary LCD for OMAP4
This patch adds twl calls which enable backlight for primary LCD for OMAP4
Signed-off-by: Mayuresh Janorkar <mayur@ti.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/video/omap2/dss/dsi.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/video/omap2/dss/dsi.c b/drivers/video/omap2/dss/dsi.c index 0a1aa9a88198..ea3f9aae7f63 100644 --- a/drivers/video/omap2/dss/dsi.c +++ b/drivers/video/omap2/dss/dsi.c @@ -32,6 +32,7 @@ #include <linux/regulator/consumer.h> #include <linux/kthread.h> #include <linux/wait.h> +#include <linux/i2c/twl.h> #include <mach/board.h> #include <mach/display.h> @@ -207,6 +208,10 @@ struct dsi_reg { u16 idx; }; #define REGM_MAX ((1 << 11) - 1) #define REGM3_MAX (1 << 4) #define REGM4_MAX (1 << 4) +#define PWM2ON 3 +#define PWM2OFF 4 +#define TOGGLE3 2 +#define PWDNSTATUS2 4 #ifdef CONFIG_ARCH_OMAP4 extern void __iomem *dss_base; @@ -4004,7 +4009,10 @@ int dsi_init_display(struct omap_dss_device *dssdev) int dsi_init(struct platform_device *pdev) { + u8 rd_reg; + int res, ret; u32 rev; + struct sched_param param = { .sched_priority = MAX_USER_RT_PRIO-1 }; @@ -4047,6 +4055,10 @@ int dsi_init(struct platform_device *pdev) DSSERR("can't get VDDS_DSI regulator\n"); return PTR_ERR(dsi.vdds_dsi_reg); } +#else + ret = twl_i2c_write_u8(TWL6030_MODULE_PWM, 0xFF, PWM2ON); + ret = twl_i2c_write_u8(TWL6030_MODULE_PWM, 0x7F, PWM2OFF); + ret = twl_i2c_write_u8(TWL6030_MODULE_AUX, 0x30, TOGGLE3); #endif enable_clocks(1); |