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>

1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/media/video/msp3400-driver.c b/drivers/media/video/msp3400-driver.c
index ba1af3c8525e..3bb7d6634862 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;