[alsa-devel] ASoC WM8510 Mic PGA problem

Mark Brown broonie at opensource.wolfsonmicro.com
Tue Oct 7 16:59:34 CEST 2008


On Tue, Oct 07, 2008 at 05:21:48PM +0300, ext-jukka.hynninen at vaisala.com wrote:

> I'm sorry, It seems to be the switch connecting MICN to negative PGA
> terminal that does not stay on (register 0x2c bit 1)

Ah, I think I see what's going on here.  Could you try this patch,
please (again, untested)?

diff --git a/sound/soc/codecs/wm8510.c b/sound/soc/codecs/wm8510.c
index 94cab49..ea524c4 100644
--- a/sound/soc/codecs/wm8510.c
+++ b/sound/soc/codecs/wm8510.c
@@ -227,9 +227,9 @@ SND_SOC_DAPM_PGA("SpkN Out", WM8510_POWER3, 5, 0, NULL, 0),
 SND_SOC_DAPM_PGA("SpkP Out", WM8510_POWER3, 6, 0, NULL, 0),
 SND_SOC_DAPM_PGA("Mono Out", WM8510_POWER3, 7, 0, NULL, 0),
 
-SND_SOC_DAPM_PGA("Mic PGA", WM8510_POWER2, 2, 0,
-		 &wm8510_micpga_controls[0],
-		 ARRAY_SIZE(wm8510_micpga_controls)),
+SND_SOC_DAPM_MIXER("Mic PGA", WM8510_POWER2, 2, 0,
+		   &wm8510_micpga_controls[0],
+		   ARRAY_SIZE(wm8510_micpga_controls)),
 SND_SOC_DAPM_MIXER("Boost Mixer", WM8510_POWER2, 4, 0,
 	&wm8510_boost_controls[0],
 	ARRAY_SIZE(wm8510_boost_controls)),


More information about the Alsa-devel mailing list