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



	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_OV518PLUS:

		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;

	} else {

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

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

		   stays pressed */

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

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

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

		   button stays pressed */

		switch (sd->bridge) {

		case BRIDGE_OV511:

		case BRIDGE_OV511PLUS:

		case BRIDGE_OV519:

			if (state)

				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]) &&

	    (in[8] & 0x08)) {

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

		if (in[8] & 0x80) {

			/* Frame end */

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