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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: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Hans de Goede 2010-02-20 04:45:49 -03:00 committed by Mauro Carvalho Chehab
parent 92e232acd6
commit 88e8d20a8c
1 changed files with 17 additions and 5 deletions
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22
drivers/media/video/gspca/ov519.c
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@ -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)
sd->snapshot_needs_reset = 1;
/* 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 ||