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| author | Erik Andr?n <erik.andren@gmail.com> | 2008-12-29 12:49:25 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2009-04-06 21:44:38 -0300 |
| commit | 3d3ec926e98bc10c4c48ee7422aecdc335ab1222 (patch) | |
| tree | 59011271e347e155ec64f3f7e577e370dd68d763 /drivers/media/video/gspca/m5602/m5602_ov9650.c | |
| parent | 4a7581f084ce308a448f4940ed2c664e9e3d78a1 (diff) | |
| download | lwn-3d3ec926e98bc10c4c48ee7422aecdc335ab1222.tar.gz lwn-3d3ec926e98bc10c4c48ee7422aecdc335ab1222.zip | |
V4L/DVB (11409): gspca - m5602-ov9650: Set the ov9650 sensor in soft sleep when inactive.
In order to save energy, put the sensor in soft sleep mode when not active
Signed-off-by: Erik Andrén <erik.andren@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/gspca/m5602/m5602_ov9650.c')
| -rw-r--r-- | drivers/media/video/gspca/m5602/m5602_ov9650.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/drivers/media/video/gspca/m5602/m5602_ov9650.c b/drivers/media/video/gspca/m5602/m5602_ov9650.c index 76317e274bf4..bbf91356096c 100644 --- a/drivers/media/video/gspca/m5602/m5602_ov9650.c +++ b/drivers/media/video/gspca/m5602/m5602_ov9650.c @@ -147,8 +147,14 @@ int ov9650_start(struct sd *sd) int i, err = 0; struct cam *cam = &sd->gspca_dev.cam; - for (i = 0; i < ARRAY_SIZE(res_init_ov9650) && !err; i++) - err = m5602_write_bridge(sd, res_init_ov9650[i][0], res_init_ov9650[i][1]); + for (i = 0; i < ARRAY_SIZE(res_init_ov9650) && !err; i++) { + if (res_init_ov9650[i][0] == BRIDGE) + err = m5602_write_bridge(sd, res_init_ov9650[i][1], res_init_ov9650[i][2]); + else if (res_init_ov9650[i][0] == SENSOR) { + u8 data = res_init_ov9650[i][2]; + err = m5602_write_sensor(sd, res_init_ov9650[i][1], &data, 1); + } + } if (err < 0) return err; @@ -217,6 +223,12 @@ int ov9650_start(struct sd *sd) return err; } +int ov9650_stop(struct sd *sd) +{ + u8 data = OV9650_SOFT_SLEEP | OV9650_OUTPUT_DRIVE_2X; + return m5602_write_sensor(sd, OV9650_COM2, &data, 1); +} + int ov9650_power_down(struct sd *sd) { int i, err = 0; |