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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>
This commit is contained in:
Andrzej Hajda 2014-04-08 12:58:05 +02:00 committed by Thierry Reding
parent 9c911962f9
commit dbd751eed8
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/panel/panel-ld9040.c
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@ -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);