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>
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 @@
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 @@
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;