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Diffstat (limited to 'sound/usb/mixer_scarlett2.c')
-rw-r--r--sound/usb/mixer_scarlett2.c88
1 files changed, 49 insertions, 39 deletions
diff --git a/sound/usb/mixer_scarlett2.c b/sound/usb/mixer_scarlett2.c
index 6de605a601e5..bd114be537d7 100644
--- a/sound/usb/mixer_scarlett2.c
+++ b/sound/usb/mixer_scarlett2.c
@@ -173,7 +173,12 @@
/* some gui mixers can't handle negative ctl values */
#define SCARLETT2_VOLUME_BIAS 127
-#define SCARLETT2_GAIN_BIAS 70
+
+/* maximum preamp input gain and value
+ * values are from 0 to 70, preamp gain is from 0 to 69 dB
+ */
+#define SCARLETT2_MAX_GAIN_VALUE 70
+#define SCARLETT2_MAX_GAIN_DB 69
/* mixer range from -80dB to +6dB in 0.5dB steps */
#define SCARLETT2_MIXER_MIN_DB -80
@@ -284,14 +289,22 @@ static const char *const scarlett2_dim_mute_names[SCARLETT2_DIM_MUTE_COUNT] = {
"Mute Playback Switch", "Dim Playback Switch"
};
-/* Autogain Status Values */
-enum {
- SCARLETT2_AUTOGAIN_STATUS_STOPPED,
- SCARLETT2_AUTOGAIN_STATUS_RUNNING,
- SCARLETT2_AUTOGAIN_STATUS_FAILED,
- SCARLETT2_AUTOGAIN_STATUS_CANCELLED,
- SCARLETT2_AUTOGAIN_STATUS_UNKNOWN,
- SCARLETT2_AUTOGAIN_STATUS_COUNT
+/* The autogain_status is set based on the autogain_switch and
+ * raw_autogain_status values.
+ *
+ * If autogain_switch is set, autogain_status is set to 0 (Running).
+ * The other status values are from the raw_autogain_status value + 1.
+ */
+static const char *const scarlett2_autogain_status_texts[] = {
+ "Running",
+ "Success",
+ "SuccessDRover",
+ "WarnMinGainLimit",
+ "FailDRunder",
+ "FailMaxGainLimit",
+ "FailClipped",
+ "Cancelled",
+ "Invalid"
};
/* Power Status Values */
@@ -415,7 +428,7 @@ enum {
SCARLETT2_CONFIG_INPUT_SELECT_SWITCH,
SCARLETT2_CONFIG_INPUT_LINK_SWITCH,
SCARLETT2_CONFIG_POWER_EXT,
- SCARLETT2_CONFIG_POWER_STATUS,
+ SCARLETT2_CONFIG_POWER_LOW,
SCARLETT2_CONFIG_PCM_INPUT_SWITCH,
SCARLETT2_CONFIG_DIRECT_MONITOR_GAIN,
SCARLETT2_CONFIG_COUNT
@@ -723,8 +736,8 @@ static const struct scarlett2_config_set scarlett2_config_set_gen4_4i4 = {
[SCARLETT2_CONFIG_POWER_EXT] = {
.offset = 0x168 },
- [SCARLETT2_CONFIG_POWER_STATUS] = {
- .offset = 0x66 }
+ [SCARLETT2_CONFIG_POWER_LOW] = {
+ .offset = 0x16d }
}
};
@@ -2835,9 +2848,9 @@ static int scarlett2_autogain_is_running(struct scarlett2_data *private)
{
int i;
+ /* autogain_status[] is 0 if autogain is running */
for (i = 0; i < private->info->gain_input_count; i++)
- if (private->autogain_status[i] ==
- SCARLETT2_AUTOGAIN_STATUS_RUNNING)
+ if (!private->autogain_status[i])
return 1;
return 0;
@@ -2867,25 +2880,25 @@ static int scarlett2_update_autogain(struct usb_mixer_interface *mixer)
return err;
/* Translate autogain_switch and raw_autogain_status into
- * autogain_status
+ * autogain_status.
+ *
+ * When autogain_switch[] is set, the status is the first
+ * element in scarlett2_autogain_status_texts[] (Running). The
+ * subsequent elements correspond to the status value from the
+ * device (raw_autogain_status[]) + 1. The last element is
+ * "Invalid", in case the device reports a status outside the
+ * range of scarlett2_autogain_status_texts[].
*/
for (i = 0; i < info->gain_input_count; i++)
if (private->autogain_switch[i])
+ private->autogain_status[i] = 0;
+ else if (raw_autogain_status[i] <
+ ARRAY_SIZE(scarlett2_autogain_status_texts) - 1)
private->autogain_status[i] =
- SCARLETT2_AUTOGAIN_STATUS_RUNNING;
- else if (raw_autogain_status[i] == 0)
- private->autogain_status[i] =
- SCARLETT2_AUTOGAIN_STATUS_STOPPED;
- else if (raw_autogain_status[i] >= 2 &&
- raw_autogain_status[i] <= 5)
- private->autogain_status[i] =
- SCARLETT2_AUTOGAIN_STATUS_FAILED;
- else if (raw_autogain_status[i] == 6)
- private->autogain_status[i] =
- SCARLETT2_AUTOGAIN_STATUS_CANCELLED;
+ raw_autogain_status[i] + 1;
else
private->autogain_status[i] =
- SCARLETT2_AUTOGAIN_STATUS_UNKNOWN;
+ ARRAY_SIZE(scarlett2_autogain_status_texts) - 1;
return 0;
}
@@ -3111,12 +3124,10 @@ unlock:
static int scarlett2_autogain_status_ctl_info(
struct snd_kcontrol *kctl, struct snd_ctl_elem_info *uinfo)
{
- static const char *const values[SCARLETT2_AUTOGAIN_STATUS_COUNT] = {
- "Stopped", "Running", "Failed", "Cancelled", "Unknown"
- };
-
return snd_ctl_enum_info(
- uinfo, 1, SCARLETT2_AUTOGAIN_STATUS_COUNT, values);
+ uinfo, 1,
+ ARRAY_SIZE(scarlett2_autogain_status_texts),
+ scarlett2_autogain_status_texts);
}
static const struct snd_kcontrol_new scarlett2_autogain_switch_ctl = {
@@ -3458,7 +3469,7 @@ static int scarlett2_input_gain_ctl_info(struct snd_kcontrol *kctl,
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
uinfo->count = elem->channels;
uinfo->value.integer.min = 0;
- uinfo->value.integer.max = SCARLETT2_GAIN_BIAS;
+ uinfo->value.integer.max = SCARLETT2_MAX_GAIN_VALUE;
uinfo->value.integer.step = 1;
unlock:
@@ -3535,7 +3546,7 @@ unlock:
}
static const DECLARE_TLV_DB_MINMAX(
- db_scale_scarlett2_gain, -SCARLETT2_GAIN_BIAS * 100, 0
+ db_scale_scarlett2_gain, 0, SCARLETT2_MAX_GAIN_DB * 100
);
static const struct snd_kcontrol_new scarlett2_input_gain_ctl = {
@@ -6294,8 +6305,7 @@ static int scarlett2_update_power_status(struct usb_mixer_interface *mixer)
{
struct scarlett2_data *private = mixer->private_data;
int err;
- u8 power_ext;
- u8 power_status;
+ u8 power_ext, power_low;
private->power_status_updated = 0;
@@ -6304,12 +6314,12 @@ static int scarlett2_update_power_status(struct usb_mixer_interface *mixer)
if (err < 0)
return err;
- err = scarlett2_usb_get_config(mixer, SCARLETT2_CONFIG_POWER_STATUS,
- 1, &power_status);
+ err = scarlett2_usb_get_config(mixer, SCARLETT2_CONFIG_POWER_LOW,
+ 1, &power_low);
if (err < 0)
return err;
- if (power_status > 1)
+ if (power_low)
private->power_status = SCARLETT2_POWER_STATUS_FAIL;
else if (power_ext)
private->power_status = SCARLETT2_POWER_STATUS_EXT;