linux-kernel - [PATCH 3/4] ASoC: max98373: Added TDM off if parameters are all zeroes

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Message-Id: <1515560521-10850-3-git-send-email-ryans.lee@maximintegrated.com>
Date:   Tue,  9 Jan 2018 21:02:00 -0800
From:   Ryan Lee <ryans.lee@...imintegrated.com>
To:     lgirdwood@...il.com, broonie@...nel.org, perex@...ex.cz,
        tiwai@...e.com, ryans.lee@...imintegrated.com,
        alsa-devel@...a-project.org, linux-kernel@...r.kernel.org
Cc:     ryan.lee.maxim@...il.com
Subject: [PATCH 3/4] ASoC: max98373: Added TDM off if parameters are all zeroes

Signed-off-by: Ryan Lee <ryans.lee@...imintegrated.com>
---
Changelog:
	Added tdm_mode off condition when all input parameters are zero

 sound/soc/codecs/max98373.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/sound/soc/codecs/max98373.c b/sound/soc/codecs/max98373.c
index 77b86c4..c5ff30f 100644
--- a/sound/soc/codecs/max98373.c
+++ b/sound/soc/codecs/max98373.c
@@ -311,7 +311,10 @@ static int max98373_dai_tdm_slot(struct snd_soc_dai *dai,
 	unsigned int mask;
 	int x, slot_found;
 
-	max98373->tdm_mode = true;
+	if (!tx_mask && !rx_mask && !slots && !slot_width)
+		max98373->tdm_mode = false;
+	else
+		max98373->tdm_mode = true;
 
 	/* BCLK configuration */
 	bsel = max98373_get_bclk_sel(slots * slot_width);
-- 
2.7.4