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authorHans Verkuil <hverkuil@xs4all.nl>2007-04-27 12:31:26 -0300
committerMauro Carvalho Chehab <mchehab@infradead.org>2007-04-27 15:43:50 -0300
commit74cab31c413c8615efe818d44ff4ac83e2a138be (patch)
tree036e32f1b1a928901f6f2ab4b9921c39aa8de82c /drivers/media/video/msp3400-driver.c
parent1a0adaf37c30e89e44d1470ef604a930999a5826 (diff)
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V4L/DVB (5355): Add VIDIOC_G_CHIP_IDENT to various i2c modules
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media/video/msp3400-driver.c')
-rw-r--r--drivers/media/video/msp3400-driver.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/media/video/msp3400-driver.c b/drivers/media/video/msp3400-driver.c
index ba1af3c..3bb7d66 100644
--- a/drivers/media/video/msp3400-driver.c
+++ b/drivers/media/video/msp3400-driver.c
@@ -773,6 +773,9 @@ static int msp_command(struct i2c_client *client, unsigned int cmd, void *arg)
break;
}
+ case VIDIOC_G_CHIP_IDENT:
+ return v4l2_chip_ident_i2c_client(client, arg, state->ident, (state->rev1 << 16) | state->rev2);
+
default:
/* unknown */
return -EINVAL;
@@ -872,6 +875,8 @@ static int msp_attach(struct i2c_adapter *adapter, int address, int kind)
snprintf(client->name, sizeof(client->name), "MSP%d4%02d%c-%c%d",
msp_family, msp_product,
msp_revision, msp_hard, msp_rom);
+ /* Rev B=2, C=3, D=4, G=7 */
+ state->ident = msp_family * 10000 + 4000 + msp_product * 10 + msp_revision - '@';
/* Has NICAM support: all mspx41x and mspx45x products have NICAM */
state->has_nicam = msp_prod_hi == 1 || msp_prod_hi == 5;