Patch for fourchannel support

From 1207cd0e107ae58a376056ae5c8ae60a04950b0e Mon Sep 17 00:00:00 2001
From: Florian Meier <florian.meier@koalo.de>
Date: Tue, 10 Jun 2014 15:23:44 +0200
Subject: [PATCH] Fourchannel support

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

diff --git a/sound/soc/codecs/arizona.c b/sound/soc/codecs/arizona.c
index f5e9285..62bfb00 100644
--- a/sound/soc/codecs/arizona.c
+++ b/sound/soc/codecs/arizona.c
@@ -10,6 +10,8 @@
  * published by the Free Software Foundation.
  */

+#define DEBUG
+
 #include <linux/delay.h>
 #include <linux/gcd.h>
 #include <linux/module.h>
@@ -1082,7 +1084,8 @@ static int arizona_hw_params(struct snd_pcm_substream *substream,
    arizona_aif_dbg(dai, "BCLK %dHz LRCLK %dHz\n",
            rates[bclk], rates[bclk] / lrclk);

-   wl = snd_pcm_format_width(params_format(params));
+   //wl = snd_pcm_format_width(params_format(params));
+   wl = snd_pcm_format_width(params_format(params))/2;
    frame = wl << ARIZONA_AIF1TX_WL_SHIFT | wl;

    ret = arizona_hw_params_rate(substream, params, dai);
--
1.9.1