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kernel
os
linux
ALSA: i2c: use snd_kcontrol_chip()
We can use snd_kcontrol_chip(). Let's use it.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/87tt5xaudu.wl-kuninori.morimoto.gx@renesas.com
authored by
Kuninori Morimoto
and committed by
Takashi Iwai
ee4023b1
2086e63b
+4
-4
+4
-4
sound/i2c/other/pt2258.c
+4
-4
sound/i2c/other/pt2258.c
···
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static int pt2258_stereo_volume_get(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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-
struct snd_pt2258 *pt = kcontrol->private_data;
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+
struct snd_pt2258 *pt = snd_kcontrol_chip(kcontrol);
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int base = kcontrol->private_value;
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/* chip does not support register reads */
···
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static int pt2258_stereo_volume_put(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_pt2258 *pt = kcontrol->private_data;
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struct snd_pt2258 *pt = snd_kcontrol_chip(kcontrol);
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int base = kcontrol->private_value;
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unsigned char bytes[2];
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int val0, val1;
···
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static int pt2258_switch_get(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_pt2258 *pt = kcontrol->private_data;
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struct snd_pt2258 *pt = snd_kcontrol_chip(kcontrol);
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ucontrol->value.integer.value[0] = !pt->mute;
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return 0;
···
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static int pt2258_switch_put(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_pt2258 *pt = kcontrol->private_data;
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struct snd_pt2258 *pt = snd_kcontrol_chip(kcontrol);
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unsigned char bytes[2];
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int val;
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