V4L/DVB: gspca_mr97310a: Simplify sensor detection
Simplify sensor detection a bit (share more of the code between cif and vga cameras). Also remove an unnecessary write from zero_the_pointer(). Signed-off-by: Theodore Kilgore <kilgota@banach.math.auburn.edu> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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@ -327,7 +327,6 @@ static int zero_the_pointer(struct gspca_dev *gspca_dev)
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if (err_code < 0)
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return err_code;
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err_code = mr_write(gspca_dev, 1);
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data[0] = 0x19;
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data[1] = 0x51;
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err_code = mr_write(gspca_dev, 2);
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@ -460,12 +459,14 @@ static int sd_config(struct gspca_dev *gspca_dev,
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if (err_code < 0)
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return err_code;
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/* Now, the query for sensor type. */
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err_code = cam_get_response16(gspca_dev, 0x07, 1);
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if (err_code < 0)
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return err_code;
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if (id->idProduct == 0x0110 || id->idProduct == 0x010e) {
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sd->cam_type = CAM_TYPE_CIF;
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cam->nmodes--;
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err_code = cam_get_response16(gspca_dev, 0x06, 1);
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if (err_code < 0)
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return err_code;
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/*
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* All but one of the known CIF cameras share the same USB ID,
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* but two different init routines are in use, and the control
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@ -473,7 +474,7 @@ static int sd_config(struct gspca_dev *gspca_dev,
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* of the two known varieties is connected!
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*
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* A list of known CIF cameras follows. They all report either
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* 0002 for type 0 or 0003 for type 1.
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* 0200 for type 0 or 0300 for type 1.
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* If you have another to report, please do
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*
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* Name sd->sensor_type reported by
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@ -487,7 +488,7 @@ static int sd_config(struct gspca_dev *gspca_dev,
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* Philips dig. keych. 1 T. Kilgore
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* Trust Spyc@m 100 1 A. Jacobs
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*/
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switch (gspca_dev->usb_buf[1]) {
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switch (gspca_dev->usb_buf[0]) {
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case 2:
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sd->sensor_type = 0;
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break;
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@ -504,13 +505,9 @@ static int sd_config(struct gspca_dev *gspca_dev,
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} else {
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sd->cam_type = CAM_TYPE_VGA;
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err_code = cam_get_response16(gspca_dev, 0x07, 1);
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if (err_code < 0)
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return err_code;
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/*
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* Here is a table of the responses to the previous command
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* from the known MR97310A VGA cameras.
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* Here is a table of the responses to the query for sensor
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* type, from the known MR97310A VGA cameras.
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*
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* Name gspca_dev->usb_buf[] sd->sensor_type
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* sd->do_lcd_stop
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@ -560,7 +557,7 @@ static int sd_config(struct gspca_dev *gspca_dev,
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PDEBUG(D_PROBE, "MR97310A VGA camera detected, sensor: %d",
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sd->sensor_type);
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}
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/* Stop streaming as we've started it to probe the sensor type. */
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/* Stop streaming as we've started it only to probe the sensor type. */
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sd_stopN(gspca_dev);
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if (force_sensor_type != -1) {
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