linux-kernel - [PATCH] ASoC: mmp-sspa: set phase two word length register

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Date:   Wed, 18 Nov 2020 22:41:06 -0500
From:   Kyle Russell <bkylerussell@...il.com>
To:     broonie@...nel.org
Cc:     lkundrak@...sk, Kyle Russell <bkylerussell@...il.com>,
        Daniel Mack <daniel@...que.org>,
        Haojian Zhuang <haojian.zhuang@...il.com>,
        Robert Jarzmik <robert.jarzmik@...e.fr>,
        Liam Girdwood <lgirdwood@...il.com>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        linux-arm-kernel@...ts.infradead.org, alsa-devel@...a-project.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] ASoC: mmp-sspa: set phase two word length register

If hw params enables dual phase transmission, then the word length for
the second phase should be set to match the sample format instead of
remaining at the reset default.  This matches the configuration already
being done for the first phase.

This driver already sets the phase two sample size, so this should complete
the phase two configuration.

Signed-off-by: Kyle Russell <bkylerussell@...il.com>
---
 sound/soc/pxa/mmp-sspa.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/sound/soc/pxa/mmp-sspa.c b/sound/soc/pxa/mmp-sspa.c
index 52d4d8ace1c3..4803972ee655 100644
--- a/sound/soc/pxa/mmp-sspa.c
+++ b/sound/soc/pxa/mmp-sspa.c
@@ -246,6 +246,9 @@ static int mmp_sspa_hw_params(struct snd_pcm_substream *substream,
 	sspa_ctrl &= ~SSPA_CTL_XWDLEN1_MASK;
 	sspa_ctrl |= SSPA_CTL_XWDLEN1(bitval);
 
+	sspa_ctrl &= ~SSPA_CTL_XWDLEN2_MASK;
+	sspa_ctrl |= SSPA_CTL_XWDLEN2(bitval);
+
 	sspa_ctrl &= ~SSPA_CTL_XSSZ1_MASK;
 	sspa_ctrl |= SSPA_CTL_XSSZ1(bitval);
 
-- 
2.25.1