diff options
| author | Andrzej Hajda <a.hajda@samsung.com> | 2014-04-08 14:58:05 +0400 |
|---|---|---|
| committer | Thierry Reding <treding@nvidia.com> | 2014-06-05 18:46:39 +0400 |
| commit | dbd751eed83614b7300a0331ae3ab2e70cc1e73c (patch) | |
| tree | 148bcf5b9a9165f2e775a25fb1347ffa361b92f5 /drivers/gpu/drm/panel | |
| parent | 9c911962f9d145fd6f8cb3d93ae58486cef14d53 (diff) | |
| download | linux-dbd751eed83614b7300a0331ae3ab2e70cc1e73c.tar.xz | |
drm/panel: ld9040: add power control sequence
Some ld9040 panels do not start without providing power control sequence
during initialization. The patch fixes the driver by providing such
sequence for all panels.
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Diffstat (limited to 'drivers/gpu/drm/panel')
| -rw-r--r-- | drivers/gpu/drm/panel/panel-ld9040.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/panel/panel-ld9040.c b/drivers/gpu/drm/panel/panel-ld9040.c index 1f1f8371a199..db1601fdbe29 100644 --- a/drivers/gpu/drm/panel/panel-ld9040.c +++ b/drivers/gpu/drm/panel/panel-ld9040.c @@ -27,6 +27,7 @@ #define MCS_ELVSS_ON 0xb1 #define MCS_USER_SETTING 0xf0 #define MCS_DISPCTL 0xf2 +#define MCS_POWER_CTRL 0xf4 #define MCS_GTCON 0xf7 #define MCS_PANEL_CONDITION 0xf8 #define MCS_GAMMA_SET1 0xf9 @@ -182,6 +183,8 @@ static void ld9040_init(struct ld9040 *ctx) ld9040_dcs_write_seq_static(ctx, MCS_DISPCTL, 0x02, 0x08, 0x08, 0x10, 0x10); ld9040_dcs_write_seq_static(ctx, MCS_MANPWR, 0x04); + ld9040_dcs_write_seq_static(ctx, MCS_POWER_CTRL, + 0x0a, 0x87, 0x25, 0x6a, 0x44, 0x02, 0x88); ld9040_dcs_write_seq_static(ctx, MCS_ELVSS_ON, 0x0d, 0x00, 0x16); ld9040_dcs_write_seq_static(ctx, MCS_GTCON, 0x09, 0x00, 0x00); ld9040_brightness_set(ctx); |