diff options
| author | Erik Andrén <erik.andren@gmail.com> | 2008-11-27 20:07:24 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2008-12-30 14:39:59 +0300 |
| commit | 1d07b6f14e39eb613e42ff7fe7e352d6f67a65eb (patch) | |
| tree | c20d71d7c0c37c86a937660f0f4b404bef5d049a /drivers/media/video/gspca | |
| parent | 48223c88299a10a62ff5f5e40bd07670a21c3de9 (diff) | |
| download | linux-1d07b6f14e39eb613e42ff7fe7e352d6f67a65eb.tar.xz | |
V4L/DVB (10030): m5602: Use read/modify/write when toggling vflip on the po1030
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')
| -rw-r--r-- | drivers/media/video/gspca/m5602/m5602_po1030.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/drivers/media/video/gspca/m5602/m5602_po1030.c b/drivers/media/video/gspca/m5602/m5602_po1030.c index f9932a16fbd7..2e7fb91673cf 100644 --- a/drivers/media/video/gspca/m5602/m5602_po1030.c +++ b/drivers/media/video/gspca/m5602/m5602_po1030.c @@ -184,12 +184,16 @@ int po1030_set_hflip(struct gspca_dev *gspca_dev, __s32 val) int err; PDEBUG(D_V4L2, "Set hflip %d", val); + err = m5602_read_sensor(sd, PO1030_REG_CONTROL2, &i2c_data, 1); + if (err < 0) + goto out; - i2c_data = (val & 0x01) << 7; + i2c_data = (0x7f & i2c_data) | ((val & 0x01) << 7); err = m5602_write_sensor(sd, PO1030_REG_CONTROL2, - &i2c_data, 1); + &i2c_data, 1); +out: return err; } @@ -216,12 +220,16 @@ int po1030_set_vflip(struct gspca_dev *gspca_dev, __s32 val) int err; PDEBUG(D_V4L2, "Set vflip %d", val); + err = m5602_read_sensor(sd, PO1030_REG_CONTROL2, &i2c_data, 1); + if (err < 0) + goto out; - i2c_data = (val & 0x01) << 6; + i2c_data = (i2c_data & 0xbf) | ((val & 0x01) << 6); err = m5602_write_sensor(sd, PO1030_REG_CONTROL2, - &i2c_data, 1); + &i2c_data, 1); +out: return err; } |