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authorHans Verkuil <hverkuil@xs4all.nl>2009-01-18 19:37:59 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2009-03-30 12:42:22 -0300
commitc7d29e2f530654aa0c323aafb94d42a6a718482c (patch)
tree76e876fc6de0f79c281c2a31695ecc58c5f12122 /drivers/media/video/v4l2-common.c
parentfac6986c4777ae85fa2108ea25fee98de2c1f7b2 (diff)
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.c36
1 files changed, 36 insertions, 0 deletions
diff --git a/drivers/media/video/v4l2-common.c b/drivers/media/video/v4l2-common.c
index 0f450a73477..26e162f13f7 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