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ASoC: cs53l30: Fix a bug for TDM slot location validation

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The maximum slot number of CS53L30 is 4 while it should support
the situation that's less than 4 channels based on the rx_mask.

So when the driver validates the last slot location, it should
check the last active slot instead of always the 4th one.

Signed-off-by: Nicolin Chen <nicoleotsuka@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Nicolin Chen 2016-07-19 15:36:13 -07:00 committed by Mark Brown
parent 05f33bc5d6
commit 622019373c
1 changed files with 2 additions and 2 deletions
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4
sound/soc/codecs/cs53l30.c
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@ -809,8 +809,8 @@ static int cs53l30_set_dai_tdm_slot(struct snd_soc_dai *dai,
return -EINVAL;
}
/* Validate the last CS53L30 slot */
slot_next = loc[CS53L30_TDM_SLOT_MAX - 1] + slot_step - 1;
/* Validate the last active CS53L30 slot */
slot_next = loc[i - 1] + slot_step - 1;
if (slot_next > 47) {
dev_err(dai->dev, "slot selection out of bounds: %u\n",
slot_next);