diff options
Diffstat (limited to 'recipes/linux/linux-leviathan/restore-previous-backlight-level-on-resume.patch')
| -rw-r--r-- | recipes/linux/linux-leviathan/restore-previous-backlight-level-on-resume.patch | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/recipes/linux/linux-leviathan/restore-previous-backlight-level-on-resume.patch b/recipes/linux/linux-leviathan/restore-previous-backlight-level-on-resume.patch new file mode 100644 index 0000000000..a070d1adf0 --- /dev/null +++ b/recipes/linux/linux-leviathan/restore-previous-backlight-level-on-resume.patch @@ -0,0 +1,61 @@ +# +# Restore previous backlight level as set by userland on resume. +# +# Signed-off-by: Michael 'Mickey' Lauer <mlauer@vanille-media.de> +# +diff --git a/arch/arm/mach-msm/board-trout-panel.c b/arch/arm/mach-msm/board-trout-panel.c +index abee24d..1c896ab 100644 +--- a/arch/arm/mach-msm/board-trout-panel.c ++++ b/arch/arm/mach-msm/board-trout-panel.c +@@ -22,11 +22,11 @@ + #include "proc_comm.h" + #include "devices.h" + +-#define TROUT_DEFAULT_BACKLIGHT_BRIGHTNESS 255 ++#define TROUT_DEFAULT_BACKLIGHT_BRIGHTNESS 127 + + static struct clk *gp_clk; + static int trout_backlight_off; +-static int trout_backlight_brightness = TROUT_DEFAULT_BACKLIGHT_BRIGHTNESS; ++static int trout_backlight_resume_level = TROUT_DEFAULT_BACKLIGHT_BRIGHTNESS; + static int trout_new_backlight = 1; + static uint8_t trout_backlight_last_level = 33; + static DEFINE_MUTEX(trout_backlight_lock); +@@ -443,7 +443,7 @@ static int trout_mddi_panel_unblank( + { + + int panel_id, ret = 0; +- ++ + trout_set_backlight_level(0); + client_data->auto_hibernate(client_data, 0); + trout_process_mddi_table(client_data, mddi_toshiba_panel_init_table, +@@ -467,7 +467,7 @@ static int trout_mddi_panel_unblank( + ret = -1; + }; + mutex_lock(&trout_backlight_lock); +- trout_set_backlight_level(trout_backlight_brightness); ++ trout_set_backlight_level(trout_backlight_resume_level); + trout_backlight_off = 0; + mutex_unlock(&trout_backlight_lock); + client_data->auto_hibernate(client_data, 1); +@@ -517,6 +517,10 @@ static int trout_brightness_set(struct backlight_device *bd) + int intensity; + mutex_lock(&trout_backlight_lock); + intensity = bd->props.brightness; ++ ++ /* remember last backlight level as requested by user */ ++ trout_backlight_resume_level = intensity; ++ + if(!trout_backlight_off) + trout_set_backlight_level(intensity); + mutex_unlock(&trout_backlight_lock); +@@ -534,7 +538,7 @@ static struct backlight_ops trout_backlight_ops = { + }; + + static int trout_backlight_probe(struct platform_device *pdev) +-{ ++{ + struct backlight_device *bd; + bd = backlight_device_register("trout-backlight", &pdev->dev, NULL, &trout_backlight_ops); + bd->props.max_brightness = TROUT_DEFAULT_BACKLIGHT_BRIGHTNESS; |