diff options
| author | Peter Ujfalusi <peter.ujfalusi@ti.com> | 2011-10-05 10:29:24 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2011-10-05 17:10:09 +0100 |
| commit | f7915d997554d4e2ce123c7a4ddd28e12c2e034c (patch) | |
| tree | 9c676e63eab1afe14bfa94632a2ed28a6df44f9b /sound/soc/soc-core.c | |
| parent | e8f5a10307f7d224df91776033a0b8559a559844 (diff) | |
ASoC: core: Combine snd_soc_get_volsw/get_volsw_2r functions
Handle the get_volsw/get_volsw_2r in one function.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound/soc/soc-core.c')
| -rw-r--r-- | sound/soc/soc-core.c | 56 |
1 files changed, 13 insertions, 43 deletions
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index 34e85506782..1a13d530f05 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -2281,7 +2281,8 @@ EXPORT_SYMBOL_GPL(snd_soc_info_volsw); * @kcontrol: mixer control * @ucontrol: control element information * - * Callback to get the value of a single mixer control. + * Callback to get the value of a single mixer control, or a double mixer + * control that spans 2 registers. * * Returns 0 for success. */ @@ -2292,6 +2293,7 @@ int snd_soc_get_volsw(struct snd_kcontrol *kcontrol, (struct soc_mixer_control *)kcontrol->private_value; struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); unsigned int reg = mc->reg; + unsigned int reg2 = mc->rreg; unsigned int shift = mc->shift; unsigned int rshift = mc->rshift; int max = mc->max; @@ -2300,13 +2302,18 @@ int snd_soc_get_volsw(struct snd_kcontrol *kcontrol, ucontrol->value.integer.value[0] = (snd_soc_read(codec, reg) >> shift) & mask; - if (shift != rshift) - ucontrol->value.integer.value[1] = - (snd_soc_read(codec, reg) >> rshift) & mask; - if (invert) { + if (invert) ucontrol->value.integer.value[0] = max - ucontrol->value.integer.value[0]; - if (shift != rshift) + + if (snd_soc_volsw_is_stereo(mc)) { + if (reg == reg2) + ucontrol->value.integer.value[1] = + (snd_soc_read(codec, reg) >> rshift) & mask; + else + ucontrol->value.integer.value[1] = + (snd_soc_read(codec, reg2) >> shift) & mask; + if (invert) ucontrol->value.integer.value[1] = max - ucontrol->value.integer.value[1]; } @@ -2355,43 +2362,6 @@ int snd_soc_put_volsw(struct snd_kcontrol *kcontrol, EXPORT_SYMBOL_GPL(snd_soc_put_volsw); /** - * snd_soc_get_volsw_2r - double mixer get callback - * @kcontrol: mixer control - * @ucontrol: control element information - * - * Callback to get the value of a double mixer control that spans 2 registers. - * - * Returns 0 for success. - */ -int snd_soc_get_volsw_2r(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct soc_mixer_control *mc = - (struct soc_mixer_control *)kcontrol->private_value; - struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); - unsigned int reg = mc->reg; - unsigned int reg2 = mc->rreg; - unsigned int shift = mc->shift; - int max = mc->max; - unsigned int mask = (1 << fls(max)) - 1; - unsigned int invert = mc->invert; - - ucontrol->value.integer.value[0] = - (snd_soc_read(codec, reg) >> shift) & mask; - ucontrol->value.integer.value[1] = - (snd_soc_read(codec, reg2) >> shift) & mask; - if (invert) { - ucontrol->value.integer.value[0] = - max - ucontrol->value.integer.value[0]; - ucontrol->value.integer.value[1] = - max - ucontrol->value.integer.value[1]; - } - - return 0; -} -EXPORT_SYMBOL_GPL(snd_soc_get_volsw_2r); - -/** * snd_soc_put_volsw_2r - double mixer set callback * @kcontrol: mixer control * @ucontrol: control element information |