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| author | Jani Nikula <ext-jani.1.nikula@nokia.com> | 2010-04-09 14:15:12 +0300 |
|---|---|---|
| committer | Tomi Valkeinen <tomi.valkeinen@nokia.com> | 2010-08-03 15:18:48 +0300 |
| commit | f2a8b75c137acb048a627379cf7e93b8b7c29191 (patch) | |
| tree | 88ec95d05ea001f4bc62a0fcfbebba7fe1300be4 /drivers/video/omap2/displays/panel-taal.c | |
| parent | d803bb6e68872ea474ef8caba33abb47c8ee19da (diff) | |
| download | linux-stable-f2a8b75c137acb048a627379cf7e93b8b7c29191.tar.gz linux-stable-f2a8b75c137acb048a627379cf7e93b8b7c29191.tar.bz2 linux-stable-f2a8b75c137acb048a627379cf7e93b8b7c29191.zip | |
OMAP: DSS2: Taal: Improve taal_power_on() error handling
Check return values and bail out on errors.
Signed-off-by: Jani Nikula <ext-jani.1.nikula@nokia.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
Diffstat (limited to 'drivers/video/omap2/displays/panel-taal.c')
| -rw-r--r-- | drivers/video/omap2/displays/panel-taal.c | 30 |
1 files changed, 23 insertions, 7 deletions
diff --git a/drivers/video/omap2/displays/panel-taal.c b/drivers/video/omap2/displays/panel-taal.c index b1e968d9e8bf..2c2f1924b2c3 100644 --- a/drivers/video/omap2/displays/panel-taal.c +++ b/drivers/video/omap2/displays/panel-taal.c @@ -696,16 +696,32 @@ static int taal_power_on(struct omap_dss_device *dssdev) if (id2 == 0x00 || id2 == 0xff || id2 == 0x81) td->cabc_broken = true; - taal_dcs_write_1(DCS_BRIGHTNESS, 0xff); - taal_dcs_write_1(DCS_CTRL_DISPLAY, (1<<2) | (1<<5)); /* BL | BCTRL */ + r = taal_dcs_write_1(DCS_BRIGHTNESS, 0xff); + if (r) + goto err; - taal_dcs_write_1(DCS_PIXEL_FORMAT, 0x7); /* 24bit/pixel */ + r = taal_dcs_write_1(DCS_CTRL_DISPLAY, + (1<<2) | (1<<5)); /* BL | BCTRL */ + if (r) + goto err; - taal_set_addr_mode(td->rotate, td->mirror); - if (!td->cabc_broken) - taal_dcs_write_1(DCS_WRITE_CABC, td->cabc_mode); + r = taal_dcs_write_1(DCS_PIXEL_FORMAT, 0x7); /* 24bit/pixel */ + if (r) + goto err; - taal_dcs_write_0(DCS_DISPLAY_ON); + r = taal_set_addr_mode(td->rotate, td->mirror); + if (r) + goto err; + + if (!td->cabc_broken) { + r = taal_dcs_write_1(DCS_WRITE_CABC, td->cabc_mode); + if (r) + goto err; + } + + r = taal_dcs_write_0(DCS_DISPLAY_ON); + if (r) + goto err; r = _taal_enable_te(dssdev, td->te_enabled); if (r) |