From: Nicolin Chen Date: Tue, 19 Jul 2016 22:36:13 +0000 (-0700) Subject: ASoC: cs53l30: Fix a bug for TDM slot location validation X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=622019373c87e335cf926d30ad26b37b9efb27dc;p=linux-beck.git ASoC: cs53l30: Fix a bug for TDM slot location validation 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 Signed-off-by: Mark Brown --- diff --git a/sound/soc/codecs/cs53l30.c b/sound/soc/codecs/cs53l30.c index 5988b5c672fe..fd5502e3aa34 100644 --- a/sound/soc/codecs/cs53l30.c +++ b/sound/soc/codecs/cs53l30.c @@ -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);