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ALSA: pcm_format_to_bits strong-typed conversion

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Add a function to handle conversion from snd_pcm_format_t
to bitwise with proper typing.

Change such conversions to use this function and silence sparse
warnings.

Signed-off-by: Eldad Zack <[email protected]>
Signed-off-by: Takashi Iwai <[email protected]>
This commit is contained in:
Eldad Zack 2013-04-23 01:00:41 +02:00 • committed by Takashi Iwai
commit 74c34ca1cc
8 changed files with 18 additions and 11 deletions
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2
sound/aoa/soundbus/i2sbus/pcm.c
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@ -179,7 +179,7 @@ static int i2sbus_pcm_open(struct i2sbus_dev *i2sdev, int in)
*/
if (other->active) {
/* FIXME: is this guaranteed by the alsa api? */
hw->formats &= (1ULL << i2sdev->format);
hw->formats &= pcm_format_to_bits(i2sdev->format);
/* see above, restrict rates to the one we already have */
hw->rate_min = i2sdev->rate;
hw->rate_max = i2sdev->rate;