Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
ALSA: sh: 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/87v7qdaue4.wl-kuninori.morimoto.gx@renesas.com
authored by
Kuninori Morimoto
and committed by
Takashi Iwai
2086e63b
5d51fdd1
+4
-4
+4
-4
sound/sh/aica.c
+4
-4
sound/sh/aica.c
···
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static int aica_pcmvolume_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_card_aica *dreamcastcard;
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-
dreamcastcard = kcontrol->private_data;
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+
struct snd_card_aica *dreamcastcard = snd_kcontrol_chip(kcontrol);
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+
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if (unlikely(!dreamcastcard->channel))
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return -ETXTBSY; /* we've not yet been set up */
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ucontrol->value.integer.value[0] = dreamcastcard->channel->vol;
···
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static int aica_pcmvolume_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_card_aica *dreamcastcard;
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struct snd_card_aica *dreamcastcard = snd_kcontrol_chip(kcontrol);
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unsigned int vol;
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dreamcastcard = kcontrol->private_data;
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+
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if (unlikely(!dreamcastcard->channel))
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return -ETXTBSY;
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vol = ucontrol->value.integer.value[0];