diff options
| author | Mike Isely <isely@pobox.com> | 2009-03-07 00:37:10 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2009-03-30 12:43:35 -0300 |
| commit | edb9dcb885c6288813b62c20e6b578492845f9ad (patch) | |
| tree | aa1b4b2b16d1857efe8393be8fda4e24a29d10a9 /drivers/media/video/pvrusb2 | |
| parent | 858f910e869d1300c1ab0cadbe9908322f8bfb78 (diff) | |
V4L/DVB (11175): pvrusb2: Implement sub-device specific update framework
Lay down a foundation whereby it becomes possible to send customized
updates to specific sub-devices. (This becomes useful for routing
configuration, which is a very sub-device specific operation.)
Signed-off-by: Mike Isely <isely@pobox.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/pvrusb2')
| -rw-r--r-- | drivers/media/video/pvrusb2/pvrusb2-hdw.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw.c b/drivers/media/video/pvrusb2/pvrusb2-hdw.c index bd4e374e37f..36285ca4880 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-hdw.c +++ b/drivers/media/video/pvrusb2/pvrusb2-hdw.c @@ -105,6 +105,13 @@ MODULE_PARM_DESC(radio_freq, "specify initial radio frequency"); /* size of a firmware chunk */ #define FIRMWARE_CHUNK_SIZE 0x2000 +typedef void (*pvr2_subdev_update_func)(struct pvr2_hdw *, + struct v4l2_subdev *); + +static const pvr2_subdev_update_func pvr2_module_update_functions[] = { + /* ????? */ +}; + static const char *module_names[] = { [PVR2_CLIENT_ID_MSP3400] = "msp3400", [PVR2_CLIENT_ID_CX25840] = "cx25840", @@ -2900,6 +2907,10 @@ static void pvr2_subdev_set_control(struct pvr2_hdw *hdw, int id, sub-devices so that they match our current control values. */ static void pvr2_subdev_update(struct pvr2_hdw *hdw) { + struct v4l2_subdev *sd; + unsigned int id; + pvr2_subdev_update_func fp; + if (hdw->input_dirty || hdw->std_dirty) { pvr2_trace(PVR2_TRACE_CHIPS,"subdev v4l2 set_standard"); if (hdw->input_val == PVR2_CVAL_INPUT_RADIO) { @@ -2971,7 +2982,13 @@ static void pvr2_subdev_update(struct pvr2_hdw *hdw) /* Unable to set crop parameters; there is apparently no equivalent for VIDIOC_S_CROP */ - /* ????? Cover special cases for specific sub-devices. */ + v4l2_device_for_each_subdev(sd, &hdw->v4l2_dev) { + id = sd->grp_id; + if (id >= ARRAY_SIZE(pvr2_module_update_functions)) continue; + fp = pvr2_module_update_functions[id]; + if (!fp) continue; + (*fp)(hdw, sd); + } if (hdw->tuner_signal_stale && hdw->cropcap_stale) { pvr2_hdw_status_poll(hdw); |