[alsa-devel] [PATCH v2 6/8] ASoC: TWL4030: Correct the ARXR2_APGA_CTL chip default

Peter Ujfalusi peter.ujfalusi at nokia.com
Wed May 26 10:38:19 CEST 2010


It seams at least on twl5031 that the ARXR2_APGA_CTL register
does not have the same default value as it is written in
the TRM.
Since the codec part of the PM chip has not been actually
changed according to TI, assuming, that all version has
the same problem, so writing there the TRM value.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi at nokia.com>
Acked-by: Mark Brown <broonie at opensource.wolfsonmicro.com>
---
 sound/soc/codecs/twl4030.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/sound/soc/codecs/twl4030.c b/sound/soc/codecs/twl4030.c
index cd913ef..92f65de 100644
--- a/sound/soc/codecs/twl4030.c
+++ b/sound/soc/codecs/twl4030.c
@@ -289,6 +289,9 @@ static void twl4030_init_chip(struct platform_device *pdev)
 		TWL4030_ATXL1_EN | TWL4030_ATXR1_EN |
 		TWL4030_ARXL2_EN | TWL4030_ARXR2_EN);

+	/* REG_ARXR2_APGA_CTL reset according to the TRM: 0dB, DA_EN */
+	twl4030_write(codec, TWL4030_REG_ARXR2_APGA_CTL, 0x32);
+
 	/* Machine dependent setup */
 	if (!setup)
 		return;
--
1.7.1



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