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path: root/drivers/media/usb/gspca/m5602/m5602_core.c
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Diffstat (limited to 'drivers/media/usb/gspca/m5602/m5602_core.c')
-rw-r--r--drivers/media/usb/gspca/m5602/m5602_core.c22
1 files changed, 18 insertions, 4 deletions
diff --git a/drivers/media/usb/gspca/m5602/m5602_core.c b/drivers/media/usb/gspca/m5602/m5602_core.c
index ed22638978c..d926e62cb80 100644
--- a/drivers/media/usb/gspca/m5602/m5602_core.c
+++ b/drivers/media/usb/gspca/m5602/m5602_core.c
@@ -41,6 +41,7 @@ MODULE_DEVICE_TABLE(usb, m5602_table);
int m5602_read_bridge(struct sd *sd, const u8 address, u8 *i2c_data)
{
int err;
+ struct gspca_dev *gspca_dev = (struct gspca_dev *) sd;
struct usb_device *udev = sd->gspca_dev.dev;
__u8 *buf = sd->gspca_dev.usb_buf;
@@ -62,6 +63,7 @@ int m5602_read_bridge(struct sd *sd, const u8 address, u8 *i2c_data)
int m5602_write_bridge(struct sd *sd, const u8 address, const u8 i2c_data)
{
int err;
+ struct gspca_dev *gspca_dev = (struct gspca_dev *) sd;
struct usb_device *udev = sd->gspca_dev.dev;
__u8 *buf = sd->gspca_dev.usb_buf;
@@ -98,6 +100,7 @@ int m5602_read_sensor(struct sd *sd, const u8 address,
u8 *i2c_data, const u8 len)
{
int err, i;
+ struct gspca_dev *gspca_dev = (struct gspca_dev *) sd;
if (!len || len > sd->sensor->i2c_regW)
return -EINVAL;
@@ -147,6 +150,7 @@ int m5602_write_sensor(struct sd *sd, const u8 address,
{
int err, i;
u8 *p;
+ struct gspca_dev *gspca_dev = (struct gspca_dev *) sd;
struct usb_device *udev = sd->gspca_dev.dev;
__u8 *buf = sd->gspca_dev.usb_buf;
@@ -252,6 +256,16 @@ static int m5602_init(struct gspca_dev *gspca_dev)
return err;
}
+static int m5602_init_controls(struct gspca_dev *gspca_dev)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ if (!sd->sensor->init_controls)
+ return 0;
+
+ return sd->sensor->init_controls(sd);
+}
+
static int m5602_start_transfer(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
@@ -336,11 +350,12 @@ static void m5602_stop_transfer(struct gspca_dev *gspca_dev)
sd->sensor->stop(sd);
}
-/* sub-driver description, the ctrl and nctrl is filled at probe time */
-static struct sd_desc sd_desc = {
+/* sub-driver description */
+static const struct sd_desc sd_desc = {
.name = MODULE_NAME,
.config = m5602_configure,
.init = m5602_init,
+ .init_controls = m5602_init_controls,
.start = m5602_start_transfer,
.stopN = m5602_stop_transfer,
.pkt_scan = m5602_urb_complete
@@ -355,7 +370,6 @@ static int m5602_configure(struct gspca_dev *gspca_dev,
int err;
cam = &gspca_dev->cam;
- sd->desc = &sd_desc;
if (dump_bridge)
m5602_dump_bridge(sd);
@@ -368,7 +382,7 @@ static int m5602_configure(struct gspca_dev *gspca_dev,
return 0;
fail:
- PDEBUG(D_ERR, "ALi m5602 webcam failed");
+ PERR("ALi m5602 webcam failed");
cam->cam_mode = NULL;
cam->nmodes = 0;