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| author | Hans Verkuil <hverkuil@xs4all.nl> | 2009-01-18 23:37:59 +0100 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2009-03-30 17:42:22 +0200 |
| commit | c7d29e2f530654aa0c323aafb94d42a6a718482c (patch) | |
| tree | 76e876fc6de0f79c281c2a31695ecc58c5f12122 /drivers/media/video/v4l2-common.c | |
| parent | V4L/DVB (10247): saa7134: convert to the new v4l2 framework. (diff) | |
| download | linux-c7d29e2f530654aa0c323aafb94d42a6a718482c.tar.xz linux-c7d29e2f530654aa0c323aafb94d42a6a718482c.zip | |
V4L/DVB (10249): v4l2-common: added v4l2_i2c_tuner_addrs()
Add v4l2_i2c_tuner_addrs() to obtain the various I2C tuner addresses.
This will be used in several drivers, so make this a common function
as we do not want to have these I2C addresses all over the place.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/v4l2-common.c')
| -rw-r--r-- | drivers/media/video/v4l2-common.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/drivers/media/video/v4l2-common.c b/drivers/media/video/v4l2-common.c index 0f450a73477a..26e162f13f7f 100644 --- a/drivers/media/video/v4l2-common.c +++ b/drivers/media/video/v4l2-common.c @@ -991,4 +991,40 @@ struct v4l2_subdev *v4l2_i2c_new_probed_subdev(struct i2c_adapter *adapter, } EXPORT_SYMBOL_GPL(v4l2_i2c_new_probed_subdev); +/* Return a list of I2C tuner addresses to probe. Use only if the tuner + addresses are unknown. */ +const unsigned short *v4l2_i2c_tuner_addrs(enum v4l2_i2c_tuner_type type) +{ + static const unsigned short radio_addrs[] = { +#if defined(CONFIG_MEDIA_TUNER_TEA5761) || defined(CONFIG_MEDIA_TUNER_TEA5761_MODULE) + 0x10, +#endif + 0x60, + I2C_CLIENT_END + }; + static const unsigned short demod_addrs[] = { + 0x42, 0x43, 0x4a, 0x4b, + I2C_CLIENT_END + }; + static const unsigned short tv_addrs[] = { + 0x42, 0x43, 0x4a, 0x4b, /* tda8290 */ + 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, + 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, + I2C_CLIENT_END + }; + + switch (type) { + case ADDRS_RADIO: + return radio_addrs; + case ADDRS_DEMOD: + return demod_addrs; + case ADDRS_TV: + return tv_addrs; + case ADDRS_TV_WITH_DEMOD: + return tv_addrs + 4; + } + return NULL; +} +EXPORT_SYMBOL_GPL(v4l2_i2c_tuner_addrs); + #endif |