From: Daniel Mack Date: Thu, 16 May 2013 13:25:01 +0000 (+0200) Subject: ASoC: davinci: fix sample rotation X-Git-Tag: v3.9.5~13 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4ad79e1a9b1ba785ff66f701ee063cde592b2b0e;p=thirdparty%2Fkernel%2Fstable.git ASoC: davinci: fix sample rotation commit 796718925159523919a589ecbd6d1811c22ef55f upstream. McASP serial audio engine needs different rotation values on TX and RX channels. Commit dde109fb462 ("ASoC: McASP: Fix data rotation for playback. Enables 24bit audio playback") changed the calculation to fix the playback format, but broke the capture stream by doing it for both TXFMT and RXFMT. Signed-off-by: Daniel Mack Signed-off-by: Mark Brown Signed-off-by: Lingzhu Xiang Signed-off-by: Greg Kroah-Hartman --- diff --git a/sound/soc/davinci/davinci-mcasp.c b/sound/soc/davinci/davinci-mcasp.c index 9321e5c9d8c12..4eee59d9bada0 100644 --- a/sound/soc/davinci/davinci-mcasp.c +++ b/sound/soc/davinci/davinci-mcasp.c @@ -626,7 +626,8 @@ static int davinci_config_channel_size(struct davinci_audio_dev *dev, int word_length) { u32 fmt; - u32 rotate = (word_length / 4) & 0x7; + u32 tx_rotate = (word_length / 4) & 0x7; + u32 rx_rotate = (32 - word_length) / 4; u32 mask = (1ULL << word_length) - 1; /* @@ -647,9 +648,9 @@ static int davinci_config_channel_size(struct davinci_audio_dev *dev, RXSSZ(fmt), RXSSZ(0x0F)); mcasp_mod_bits(dev->base + DAVINCI_MCASP_TXFMT_REG, TXSSZ(fmt), TXSSZ(0x0F)); - mcasp_mod_bits(dev->base + DAVINCI_MCASP_TXFMT_REG, TXROT(rotate), + mcasp_mod_bits(dev->base + DAVINCI_MCASP_TXFMT_REG, TXROT(tx_rotate), TXROT(7)); - mcasp_mod_bits(dev->base + DAVINCI_MCASP_RXFMT_REG, RXROT(rotate), + mcasp_mod_bits(dev->base + DAVINCI_MCASP_RXFMT_REG, RXROT(rx_rotate), RXROT(7)); mcasp_set_reg(dev->base + DAVINCI_MCASP_TXMASK_REG, mask); mcasp_set_reg(dev->base + DAVINCI_MCASP_RXMASK_REG, mask);