diff options
| author |   Hans de Goede <hdegoede@redhat.com> | 2010-02-20 04:30:45 -0300 |
|---|---|---|
| committer |   Mauro Carvalho Chehab <mchehab@redhat.com> | 2010-02-26 15:11:10 -0300 |
| commit | 92e232acd61f610e09449dad3f6ff6d3c78887e9 (patch) | |
| tree | 99edfc1598d1942e7b482781d80637f2be2b232f /drivers/media | |
| parent | V4L/DVB: gspca_ov519: add support for the button on ov519 based cams (diff) | |
| download | linux-dev-92e232acd61f610e09449dad3f6ff6d3c78887e9.tar.xz linux-dev-92e232acd61f610e09449dad3f6ff6d3c78887e9.zip | |
V4L/DVB: gspca_ov519: Add support for the button on ov518 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>
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/video/gspca/ov519.c | 54 |
1 files changed, 29 insertions, 25 deletions
diff --git a/drivers/media/video/gspca/ov519.c b/drivers/media/video/gspca/ov519.c index d9b89a2803df..016f8bb5c375 100644 --- a/drivers/media/video/gspca/ov519.c +++ b/drivers/media/video/gspca/ov519.c @@ -2702,6 +2702,11 @@ static void sd_reset_snapshot(struct gspca_dev *gspca_dev) sd->snapshot_needs_reset = 0; switch (sd->bridge) { + case BRIDGE_OV518: + case BRIDGE_OV518PLUS: + reg_w(sd, R51x_SYS_SNAP, 0x02); /* Reset */ + reg_w(sd, R51x_SYS_SNAP, 0x01); /* Enable */ + break; case BRIDGE_OV519: reg_w(sd, R51x_SYS_RESET, 0x40); reg_w(sd, R51x_SYS_RESET, 0x00); @@ -3977,6 +3982,28 @@ static void sd_stop0(struct gspca_dev *gspca_dev) w9968cf_stop0(sd); } +static void ov51x_handle_button(struct gspca_dev *gspca_dev, u8 state) +{ + struct sd *sd = (struct sd *) gspca_dev; + + if (sd->snapshot_pressed != state) { +#ifdef CONFIG_INPUT + input_report_key(gspca_dev->input_dev, KEY_CAMERA, state); + input_sync(gspca_dev->input_dev); +#endif + if (state) + sd->snapshot_needs_reset = 1; + + 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; + } +} + static void ov511_pkt_scan(struct gspca_dev *gspca_dev, u8 *in, /* isoc packet */ int len) /* iso packet length */ @@ -4035,6 +4062,7 @@ static void ov518_pkt_scan(struct gspca_dev *gspca_dev, /* A false positive here is likely, until OVT gives me * the definitive SOF/EOF format */ if ((!(data[0] | data[1] | data[2] | data[3] | data[5])) && data[6]) { + ov51x_handle_button(gspca_dev, (data[6] >> 1) & 1); gspca_frame_add(gspca_dev, LAST_PACKET, NULL, 0); gspca_frame_add(gspca_dev, FIRST_PACKET, NULL, 0); sd->packet_nr = 0; @@ -4063,30 +4091,6 @@ static void ov518_pkt_scan(struct gspca_dev *gspca_dev, gspca_frame_add(gspca_dev, INTER_PACKET, data, len); } -static void ov519_handle_button(struct gspca_dev *gspca_dev, u8 state) -{ - struct sd *sd = (struct sd *) gspca_dev; - - /* This should never happen, but better to check */ - if (state != 0 && state != 1) - return; - - /* We may need to reset the button state multiple times, as resetting - does not work as long as the button stays pressed, so always set - snapshot_needs_reset (instead of only on a state change to 1). */ - if (state) - sd->snapshot_needs_reset = 1; - - if (sd->snapshot_pressed != state) { -#ifdef CONFIG_INPUT - input_report_key(gspca_dev->input_dev, KEY_CAMERA, state); - input_sync(gspca_dev->input_dev); -#endif - - sd->snapshot_pressed = state; - } -} - static void ov519_pkt_scan(struct gspca_dev *gspca_dev, u8 *data, /* isoc packet */ int len) /* iso packet length */ @@ -4120,7 +4124,7 @@ static void ov519_pkt_scan(struct gspca_dev *gspca_dev, gspca_dev->last_packet_type = DISCARD_PACKET; return; case 0x51: /* end of frame */ - ov519_handle_button(gspca_dev, data[11]); + ov51x_handle_button(gspca_dev, data[11] & 1); if (data[9] != 0) gspca_dev->last_packet_type = DISCARD_PACKET; gspca_frame_add(gspca_dev, LAST_PACKET, |