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Commit 88e8d20a authored by Hans de Goede's avatar Hans de Goede Committed by Mauro Carvalho Chehab
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V4L/DVB: gspca_ov519: add support for the button on ov511 based cams 



Due to hardware limitations this only works while the camera is
streaming.

Signed-off-by: default avatarHans de Goede <hdegoede@redhat.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 92e232ac

drivers/media/video/gspca/ov519.c

+17 −5
Original line number Original line Diff line number Diff line
@@ -2702,6 +2702,11 @@ static void sd_reset_snapshot(struct gspca_dev *gspca_dev) 
	sd->snapshot_needs_reset = 0;

	sd->snapshot_needs_reset = 0;





	switch (sd->bridge) {

	switch (sd->bridge) {

	case BRIDGE_OV511:

	case BRIDGE_OV511PLUS:

		reg_w(sd, R51x_SYS_SNAP, 0x02);

		reg_w(sd, R51x_SYS_SNAP, 0x00);

		break;

	case BRIDGE_OV518:

	case BRIDGE_OV518:

	case BRIDGE_OV518PLUS:

	case BRIDGE_OV518PLUS:

		reg_w(sd, R51x_SYS_SNAP, 0x02); /* Reset */

		reg_w(sd, R51x_SYS_SNAP, 0x02); /* Reset */
@@ -3996,11 +4001,17 @@ static void ov51x_handle_button(struct gspca_dev *gspca_dev, u8 state) 




		sd->snapshot_pressed = state;

		sd->snapshot_pressed = state;

	} else {

	} else {

		/* On the ov519 we need to reset the button state multiple

		/* On the ov511 / ov519 we need to reset the button state

		   times, as resetting does not work as long as the button

		   multiple times, as resetting does not work as long as the

		   stays pressed */

		   button stays pressed */

		if (sd->bridge == BRIDGE_OV519 && state)

		switch (sd->bridge) {

		case BRIDGE_OV511:

		case BRIDGE_OV511PLUS:

		case BRIDGE_OV519:

			if (state)

				sd->snapshot_needs_reset = 1;

				sd->snapshot_needs_reset = 1;

			break;

		}

	}

	}

}

}
@@ -4025,6 +4036,7 @@ static void ov511_pkt_scan(struct gspca_dev *gspca_dev, 
	 */

	 */

	if (!(in[0] | in[1] | in[2] | in[3] | in[4] | in[5] | in[6] | in[7]) &&

	if (!(in[0] | in[1] | in[2] | in[3] | in[4] | in[5] | in[6] | in[7]) &&

	    (in[8] & 0x08)) {

	    (in[8] & 0x08)) {

		ov51x_handle_button(gspca_dev, (in[8] >> 2) & 1);

		if (in[8] & 0x80) {

		if (in[8] & 0x80) {

			/* Frame end */

			/* Frame end */

			if ((in[9] + 1) * 8 != gspca_dev->width ||

			if ((in[9] + 1) * 8 != gspca_dev->width ||