diff options
| author | Jimmy Rubin <jimmy.rubin@stericsson.com> | 2012-01-13 12:45:00 +0100 |
|---|---|---|
| committer | Philippe Langlais <philippe.langlais@stericsson.com> | 2012-05-22 11:04:25 +0200 |
| commit | 3ab7d44dfec825176fe7b58a91f5a8a5b0641729 (patch) | |
| tree | 76a5eedec15dfcb3cdd136778f83ce98a5de37ea | |
| parent | 55dc6638a530902e014c8ac107e7710264d06706 (diff) | |
video: mcde: Add delay after ENTER_SLEEP
For the sony display, when an ENTER_SLEEP is issued there should be
a msleep for at least 4 frames (assuming 60 Hz).
ST-Ericsson ID: 411444
ST-Ericsson FOSS-OUT ID: Trivial
ST-Ericsson Linux next: NA
Change-Id: I4d77e99034ac7eb31ef388b11cafbb3938df5f57
Signed-off-by: Jimmy Rubin <jimmy.rubin@stericsson.com>
Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/45449
Reviewed-by: Per PERSSON <per.xb.persson@stericsson.com>
Reviewed-by: QATOOLS
| -rw-r--r-- | drivers/video/mcde/display-sony_acx424akp_dsi.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/video/mcde/display-sony_acx424akp_dsi.c b/drivers/video/mcde/display-sony_acx424akp_dsi.c index 44302de8f1b..e5d8c19bff0 100644 --- a/drivers/video/mcde/display-sony_acx424akp_dsi.c +++ b/drivers/video/mcde/display-sony_acx424akp_dsi.c @@ -25,6 +25,7 @@ #define RESET_DELAY_MS 11 #define RESET_LOW_DELAY_US 20 #define SLEEP_OUT_DELAY_MS 140 +#define SLEEP_IN_DELAY_MS 85 /* Assume 60 Hz 5 frames */ #define IO_REGU "vddi" #define IO_REGU_MIN 1600000 #define IO_REGU_MAX 3300000 @@ -139,8 +140,12 @@ static int display_off(struct mcde_display_device *ddev) if (ret) return ret; - return mcde_dsi_dcs_write(ddev->chnl_state, DCS_CMD_ENTER_SLEEP_MODE, + ret = mcde_dsi_dcs_write(ddev->chnl_state, DCS_CMD_ENTER_SLEEP_MODE, NULL, 0); + /* Wait for 4 frames or more */ + msleep(SLEEP_IN_DELAY_MS); + + return ret; } static int sony_acx424akp_set_scan_mode(struct mcde_display_device *ddev, |