summaryrefslogtreecommitdiffstats
path: root/drivers/media/video/cx18/cx18-av-audio.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/video/cx18/cx18-av-audio.c')
-rw-r--r--drivers/media/video/cx18/cx18-av-audio.c92
1 files changed, 12 insertions, 80 deletions
diff --git a/drivers/media/video/cx18/cx18-av-audio.c b/drivers/media/video/cx18/cx18-av-audio.c
index 43d09a24b262..4a24ffb17a7d 100644
--- a/drivers/media/video/cx18/cx18-av-audio.c
+++ b/drivers/media/video/cx18/cx18-av-audio.c
@@ -342,17 +342,6 @@ void cx18_av_audio_set_path(struct cx18 *cx)
}
}
-static int get_volume(struct cx18 *cx)
-{
- /* Volume runs +18dB to -96dB in 1/2dB steps
- * change to fit the msp3400 -114dB to +12dB range */
-
- /* check PATH1_VOLUME */
- int vol = 228 - cx18_av_read(cx, 0x8d4);
- vol = (vol / 2) + 23;
- return vol << 9;
-}
-
static void set_volume(struct cx18 *cx, int volume)
{
/* First convert the volume to msp3400 values (0-127) */
@@ -369,52 +358,18 @@ static void set_volume(struct cx18 *cx, int volume)
cx18_av_write(cx, 0x8d4, 228 - (vol * 2));
}
-static int get_bass(struct cx18 *cx)
-{
- /* bass is 49 steps +12dB to -12dB */
-
- /* check PATH1_EQ_BASS_VOL */
- int bass = cx18_av_read(cx, 0x8d9) & 0x3f;
- bass = (((48 - bass) * 0xffff) + 47) / 48;
- return bass;
-}
-
static void set_bass(struct cx18 *cx, int bass)
{
/* PATH1_EQ_BASS_VOL */
cx18_av_and_or(cx, 0x8d9, ~0x3f, 48 - (bass * 48 / 0xffff));
}
-static int get_treble(struct cx18 *cx)
-{
- /* treble is 49 steps +12dB to -12dB */
-
- /* check PATH1_EQ_TREBLE_VOL */
- int treble = cx18_av_read(cx, 0x8db) & 0x3f;
- treble = (((48 - treble) * 0xffff) + 47) / 48;
- return treble;
-}
-
static void set_treble(struct cx18 *cx, int treble)
{
/* PATH1_EQ_TREBLE_VOL */
cx18_av_and_or(cx, 0x8db, ~0x3f, 48 - (treble * 48 / 0xffff));
}
-static int get_balance(struct cx18 *cx)
-{
- /* balance is 7 bit, 0 to -96dB */
-
- /* check PATH1_BAL_LEVEL */
- int balance = cx18_av_read(cx, 0x8d5) & 0x7f;
- /* check PATH1_BAL_LEFT */
- if ((cx18_av_read(cx, 0x8d5) & 0x80) == 0)
- balance = 0x80 - balance;
- else
- balance = 0x80 + balance;
- return balance << 8;
-}
-
static void set_balance(struct cx18 *cx, int balance)
{
int bal = balance >> 8;
@@ -431,12 +386,6 @@ static void set_balance(struct cx18 *cx, int balance)
}
}
-static int get_mute(struct cx18 *cx)
-{
- /* check SRC1_MUTE_EN */
- return cx18_av_read(cx, 0x8d3) & 0x2 ? 1 : 0;
-}
-
static void set_mute(struct cx18 *cx, int mute)
{
struct cx18_av_state *state = &cx->av_state;
@@ -490,50 +439,33 @@ int cx18_av_s_clock_freq(struct v4l2_subdev *sd, u32 freq)
return retval;
}
-int cx18_av_audio_g_ctrl(struct cx18 *cx, struct v4l2_control *ctrl)
+static int cx18_av_audio_s_ctrl(struct v4l2_ctrl *ctrl)
{
- switch (ctrl->id) {
- case V4L2_CID_AUDIO_VOLUME:
- ctrl->value = get_volume(cx);
- break;
- case V4L2_CID_AUDIO_BASS:
- ctrl->value = get_bass(cx);
- break;
- case V4L2_CID_AUDIO_TREBLE:
- ctrl->value = get_treble(cx);
- break;
- case V4L2_CID_AUDIO_BALANCE:
- ctrl->value = get_balance(cx);
- break;
- case V4L2_CID_AUDIO_MUTE:
- ctrl->value = get_mute(cx);
- break;
- default:
- return -EINVAL;
- }
- return 0;
-}
+ struct v4l2_subdev *sd = to_sd(ctrl);
+ struct cx18 *cx = v4l2_get_subdevdata(sd);
-int cx18_av_audio_s_ctrl(struct cx18 *cx, struct v4l2_control *ctrl)
-{
switch (ctrl->id) {
case V4L2_CID_AUDIO_VOLUME:
- set_volume(cx, ctrl->value);
+ set_volume(cx, ctrl->val);
break;
case V4L2_CID_AUDIO_BASS:
- set_bass(cx, ctrl->value);
+ set_bass(cx, ctrl->val);
break;
case V4L2_CID_AUDIO_TREBLE:
- set_treble(cx, ctrl->value);
+ set_treble(cx, ctrl->val);
break;
case V4L2_CID_AUDIO_BALANCE:
- set_balance(cx, ctrl->value);
+ set_balance(cx, ctrl->val);
break;
case V4L2_CID_AUDIO_MUTE:
- set_mute(cx, ctrl->value);
+ set_mute(cx, ctrl->val);
break;
default:
return -EINVAL;
}
return 0;
}
+
+const struct v4l2_ctrl_ops cx18_av_audio_ctrl_ops = {
+ .s_ctrl = cx18_av_audio_s_ctrl,
+};