diff options
| author | Sandor Yu <R01008@freescale.com> | 2014-12-19 16:59:42 +0800 |
|---|---|---|
| committer | Sandor Yu <R01008@freescale.com> | 2014-12-20 10:19:20 +0800 |
| commit | 6adee22e7fbcad3ea39cf12b2bc3a534ff2f28f6 (patch) | |
| tree | 06fd7d4443f7963420273fb91b99e805ab5f1acf | |
| parent | e1959911edda217d547b2cd06bc6dcd198de36e8 (diff) | |
MLK-10041 : vadc: poweroff vadc analog when vadc remove
Poweroff vadc analog and ext power when module remove.
Signed-off-by: Sandor Yu <R01008@freescale.com>
| -rw-r--r-- | drivers/media/platform/mxc/capture/mxc_vadc.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/media/platform/mxc/capture/mxc_vadc.c b/drivers/media/platform/mxc/capture/mxc_vadc.c index 6b3d5f62689c..4756b401ba1f 100644 --- a/drivers/media/platform/mxc/capture/mxc_vadc.c +++ b/drivers/media/platform/mxc/capture/mxc_vadc.c @@ -397,6 +397,15 @@ static void vadc_power_up(struct vadc_data *vadc) reg32setbit(gpc_regbase + GPC_CNTR, 18); } +static void vadc_power_down(struct vadc_data *vadc) +{ + /* Power down vadc analog */ + reg32setbit(gpc_regbase + GPC_CNTR, 17); + + /* Power down vadc ext power */ + reg32clrbit(gpc_regbase + GPC_CNTR, 18); +} + static void vadc_init(struct vadc_data *vadc) { pr_debug("%s\n", __func__); @@ -977,6 +986,7 @@ static int vadc_remove(struct platform_device *pdev) clk_disable_unprepare(vadc->sen.sensor_clk); clk_disable_unprepare(vadc->vadc_clk); + vadc_power_down(vadc); return true; } |