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author | Giuliano Pochini <pochini@shiny.it> | 2006-11-24 12:03:58 (GMT) |
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committer | Jaroslav Kysela <perex@suse.cz> | 2007-02-09 08:01:47 (GMT) |
commit | 048b945077bdc7e8dff5d5810ff2a0ced3590ca9 (patch) | |
tree | 759b12cfa42c737ce7390b9cb4b1c60a70204c78 /sound/pci/echoaudio/echoaudio.c | |
parent | d1d985f019c3b290e09881b7b23abdc87aee2895 (diff) | |
download | linux-fsl-qoriq-048b945077bdc7e8dff5d5810ff2a0ced3590ca9.tar.xz |
[ALSA] echoaudio, add TLV support
This patch adds TLV support to the echoaudio driver.
All gains are in the range -127dB to +6dB with steps of 1dB, and -128 is
mute. VU-meters levels go from -128 to 0dB. The input gain of the Layla20
ranges from -25dB to +25dB in steps of 0.5dB.
Signed-off-by: Giuliano Pochini <pochini@shiny.it>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
Diffstat (limited to 'sound/pci/echoaudio/echoaudio.c')
-rw-r--r-- | sound/pci/echoaudio/echoaudio.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/sound/pci/echoaudio/echoaudio.c b/sound/pci/echoaudio/echoaudio.c index 047e0b5..3410bd4 100644 --- a/sound/pci/echoaudio/echoaudio.c +++ b/sound/pci/echoaudio/echoaudio.c @@ -34,6 +34,7 @@ module_param_array(enable, bool, NULL, 0444); MODULE_PARM_DESC(enable, "Enable " ECHOCARD_NAME " soundcard."); static unsigned int channels_list[10] = {1, 2, 4, 6, 8, 10, 12, 14, 16, 999999}; +static DECLARE_TLV_DB_SCALE(db_scale_output_gain, -12800, 100, 1); static int get_firmware(const struct firmware **fw_entry, const struct firmware *frm, struct echoaudio *chip) @@ -1011,17 +1012,21 @@ static int snd_echo_output_gain_put(struct snd_kcontrol *kcontrol, static struct snd_kcontrol_new snd_echo_line_output_gain __devinitdata = { .name = "Line Playback Volume", .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, .info = snd_echo_output_gain_info, .get = snd_echo_output_gain_get, .put = snd_echo_output_gain_put, + .tlv = {.p = db_scale_output_gain}, }; #else static struct snd_kcontrol_new snd_echo_pcm_output_gain __devinitdata = { .name = "PCM Playback Volume", .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, .info = snd_echo_output_gain_info, .get = snd_echo_output_gain_get, .put = snd_echo_output_gain_put, + .tlv = {.p = db_scale_output_gain}, }; #endif @@ -1080,12 +1085,16 @@ static int snd_echo_input_gain_put(struct snd_kcontrol *kcontrol, return changed; } +static DECLARE_TLV_DB_SCALE(db_scale_input_gain, -2500, 50, 0); + static struct snd_kcontrol_new snd_echo_line_input_gain __devinitdata = { .name = "Line Capture Volume", .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, .info = snd_echo_input_gain_info, .get = snd_echo_input_gain_get, .put = snd_echo_input_gain_put, + .tlv = {.p = db_scale_input_gain}, }; #endif /* ECHOCARD_HAS_INPUT_GAIN */ @@ -1277,9 +1286,11 @@ static int snd_echo_mixer_put(struct snd_kcontrol *kcontrol, static struct snd_kcontrol_new snd_echo_monitor_mixer __devinitdata = { .name = "Monitor Mixer Volume", .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, .info = snd_echo_mixer_info, .get = snd_echo_mixer_get, .put = snd_echo_mixer_put, + .tlv = {.p = db_scale_output_gain}, }; #endif /* ECHOCARD_HAS_MONITOR */ @@ -1343,9 +1354,11 @@ static int snd_echo_vmixer_put(struct snd_kcontrol *kcontrol, static struct snd_kcontrol_new snd_echo_vmixer __devinitdata = { .name = "VMixer Volume", .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, .info = snd_echo_vmixer_info, .get = snd_echo_vmixer_get, .put = snd_echo_vmixer_put, + .tlv = {.p = db_scale_output_gain}, }; #endif /* ECHOCARD_HAS_VMIXER */ @@ -1753,9 +1766,12 @@ static int snd_echo_vumeters_get(struct snd_kcontrol *kcontrol, static struct snd_kcontrol_new snd_echo_vumeters __devinitdata = { .name = "VU-meters", .iface = SNDRV_CTL_ELEM_IFACE_MIXER, - .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, + .access = SNDRV_CTL_ELEM_ACCESS_READ | + SNDRV_CTL_ELEM_ACCESS_VOLATILE | + SNDRV_CTL_ELEM_ACCESS_TLV_READ, .info = snd_echo_vumeters_info, .get = snd_echo_vumeters_get, + .tlv = {.p = db_scale_output_gain}, }; |