diff options
Diffstat (limited to 'drivers/media/video/cx2341x.c')
| -rw-r--r-- | drivers/media/video/cx2341x.c | 46 |
1 files changed, 35 insertions, 11 deletions
diff --git a/drivers/media/video/cx2341x.c b/drivers/media/video/cx2341x.c index 0acfacf..6f48216 100644 --- a/drivers/media/video/cx2341x.c +++ b/drivers/media/video/cx2341x.c @@ -263,10 +263,10 @@ static int cx2341x_set_ctrl(struct cx2341x_mpeg_params *params, int busy, case V4L2_CID_MPEG_AUDIO_ENCODING: if (busy) return -EBUSY; - if (params->capabilities & CX2341X_CAP_HAS_AC3 && - ctrl->value != V4L2_MPEG_AUDIO_ENCODING_LAYER_2 && - ctrl->value != V4L2_MPEG_AUDIO_ENCODING_AC3) - return -EINVAL; + if (params->capabilities & CX2341X_CAP_HAS_AC3) + if (ctrl->value != V4L2_MPEG_AUDIO_ENCODING_LAYER_2 && + ctrl->value != V4L2_MPEG_AUDIO_ENCODING_AC3) + return -ERANGE; params->audio_encoding = ctrl->value; break; case V4L2_CID_MPEG_AUDIO_L2_BITRATE: @@ -277,6 +277,8 @@ static int cx2341x_set_ctrl(struct cx2341x_mpeg_params *params, int busy, case V4L2_CID_MPEG_AUDIO_AC3_BITRATE: if (busy) return -EBUSY; + if (!(params->capabilities & CX2341X_CAP_HAS_AC3)) + return -EINVAL; params->audio_ac3_bitrate = ctrl->value; break; case V4L2_CID_MPEG_AUDIO_MODE: @@ -498,11 +500,18 @@ int cx2341x_ctrl_query(const struct cx2341x_mpeg_params *params, switch (qctrl->id) { case V4L2_CID_MPEG_AUDIO_ENCODING: - if (params->capabilities & CX2341X_CAP_HAS_AC3) + if (params->capabilities & CX2341X_CAP_HAS_AC3) { + /* + * The state of L2 & AC3 bitrate controls can change + * when this control changes, but v4l2_ctrl_query_fill() + * already sets V4L2_CTRL_FLAG_UPDATE for + * V4L2_CID_MPEG_AUDIO_ENCODING, so we don't here. + */ return v4l2_ctrl_query_fill(qctrl, V4L2_MPEG_AUDIO_ENCODING_LAYER_2, V4L2_MPEG_AUDIO_ENCODING_AC3, 1, default_params.audio_encoding); + } return v4l2_ctrl_query_fill(qctrl, V4L2_MPEG_AUDIO_ENCODING_LAYER_2, @@ -510,20 +519,35 @@ int cx2341x_ctrl_query(const struct cx2341x_mpeg_params *params, default_params.audio_encoding); case V4L2_CID_MPEG_AUDIO_L2_BITRATE: - return v4l2_ctrl_query_fill(qctrl, + err = v4l2_ctrl_query_fill(qctrl, V4L2_MPEG_AUDIO_L2_BITRATE_192K, V4L2_MPEG_AUDIO_L2_BITRATE_384K, 1, default_params.audio_l2_bitrate); + if (err) + return err; + if (params->capabilities & CX2341X_CAP_HAS_AC3 && + params->audio_encoding != V4L2_MPEG_AUDIO_ENCODING_LAYER_2) + qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE; + return 0; case V4L2_CID_MPEG_AUDIO_L1_BITRATE: case V4L2_CID_MPEG_AUDIO_L3_BITRATE: return -EINVAL; case V4L2_CID_MPEG_AUDIO_AC3_BITRATE: - return v4l2_ctrl_query_fill(qctrl, + err = v4l2_ctrl_query_fill(qctrl, V4L2_MPEG_AUDIO_AC3_BITRATE_48K, V4L2_MPEG_AUDIO_AC3_BITRATE_448K, 1, default_params.audio_ac3_bitrate); + if (err) + return err; + if (params->capabilities & CX2341X_CAP_HAS_AC3) { + if (params->audio_encoding != + V4L2_MPEG_AUDIO_ENCODING_AC3) + qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE; + } else + qctrl->flags |= V4L2_CTRL_FLAG_DISABLED; + return 0; case V4L2_CID_MPEG_AUDIO_MODE_EXTENSION: err = v4l2_ctrl_query_fill_std(qctrl); @@ -771,9 +795,9 @@ const char **cx2341x_ctrl_get_menu(const struct cx2341x_mpeg_params *p, u32 id) EXPORT_SYMBOL(cx2341x_ctrl_get_menu); /* definitions for audio properties bits 29-28 */ -#define CX2341X_AUDIO_ENCDING_METHOD_MPEG 0 -#define CX2341X_AUDIO_ENCDING_METHOD_AC3 1 -#define CX2341X_AUDIO_ENCDING_METHOD_LPCM 2 +#define CX2341X_AUDIO_ENCODING_METHOD_MPEG 0 +#define CX2341X_AUDIO_ENCODING_METHOD_AC3 1 +#define CX2341X_AUDIO_ENCODING_METHOD_LPCM 2 static void cx2341x_calc_audio_properties(struct cx2341x_mpeg_params *params) { @@ -791,7 +815,7 @@ static void cx2341x_calc_audio_properties(struct cx2341x_mpeg_params *params) /* Not sure if this MPEG Layer II setting is required */ ((3 - V4L2_MPEG_AUDIO_ENCODING_LAYER_2) << 2) | (params->audio_ac3_bitrate << 4) | - (CX2341X_AUDIO_ENCDING_METHOD_AC3 << 28); + (CX2341X_AUDIO_ENCODING_METHOD_AC3 << 28); } else { /* Assuming MPEG Layer II */ params->audio_properties |= |