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path: root/drivers/media/video/msp3400-driver.c
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Diffstat (limited to 'drivers/media/video/msp3400-driver.c')
-rw-r--r--drivers/media/video/msp3400-driver.c19
1 files changed, 11 insertions, 8 deletions
diff --git a/drivers/media/video/msp3400-driver.c b/drivers/media/video/msp3400-driver.c
index 2fb9fe6a1ae7..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;
@@ -780,18 +783,16 @@ static int msp_command(struct i2c_client *client, unsigned int cmd, void *arg)
return 0;
}
-static int msp_suspend(struct device * dev, pm_message_t state)
+static int msp_suspend(struct i2c_client *client, pm_message_t state)
{
- struct i2c_client *client = container_of(dev, struct i2c_client, dev);
v4l_dbg(1, msp_debug, client, "suspend\n");
msp_reset(client);
return 0;
}
-static int msp_resume(struct device * dev)
+static int msp_resume(struct i2c_client *client)
{
- struct i2c_client *client = container_of(dev, struct i2c_client, dev);
v4l_dbg(1, msp_debug, client, "resume\n");
msp_wake_thread(client);
@@ -825,7 +826,7 @@ static int msp_attach(struct i2c_adapter *adapter, int address, int kind)
if (msp_reset(client) == -1) {
v4l_dbg(1, msp_debug, client, "msp3400 not found\n");
kfree(client);
- return -1;
+ return 0;
}
state = kmalloc(sizeof(*state), GFP_KERNEL);
@@ -859,7 +860,7 @@ static int msp_attach(struct i2c_adapter *adapter, int address, int kind)
v4l_dbg(1, msp_debug, client, "not an msp3400 (cannot read chip version)\n");
kfree(state);
kfree(client);
- return -1;
+ return 0;
}
msp_set_audio(client);
@@ -874,6 +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;
@@ -996,11 +999,11 @@ static struct i2c_driver i2c_driver = {
.id = I2C_DRIVERID_MSP3400,
.attach_adapter = msp_probe,
.detach_client = msp_detach,
+ .suspend = msp_suspend,
+ .resume = msp_resume,
.command = msp_command,
.driver = {
.name = "msp3400",
- .suspend = msp_suspend,
- .resume = msp_resume,
},
};