ps3: Add ps3av_audio_mute_analog()

Add support for muting the analog output so that it does not
play noises while non-PCM data is played.

Signed-off-by: Masakazu Mokuno <mokuno@sm.sony.co.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

2 files changed, 17 insertions, 0 deletions

diff --git a/arch/powerpc/include/asm/ps3av.h b/arch/powerpc/include/asm/ps3av.h
index fda98715cd35..d30bde2b11ef 100644
--- a/arch/powerpc/include/asm/ps3av.h
+++ b/arch/powerpc/include/asm/ps3av.h
@@ -735,6 +735,7 @@ extern int ps3av_get_mode(void);
 extern int ps3av_video_mode2res(u32, u32 *, u32 *);
 extern int ps3av_video_mute(int);
 extern int ps3av_audio_mute(int);
+extern int ps3av_audio_mute_analog(int);
 extern int ps3av_dev_open(void);
 extern int ps3av_dev_close(void);
 extern void ps3av_register_flip_ctl(void (*flip_ctl)(int on, void *data),
diff --git a/drivers/ps3/ps3av.c b/drivers/ps3/ps3av.c
index 6f2f90ebb020..06848b254d57 100644
--- a/drivers/ps3/ps3av.c
+++ b/drivers/ps3/ps3av.c
@@ -915,6 +915,22 @@ int ps3av_video_mute(int mute)
 
 EXPORT_SYMBOL_GPL(ps3av_video_mute);
 
+/* mute analog output only */
+int ps3av_audio_mute_analog(int mute)
+{
+        int i, res;
+
+        for (i = 0; i < ps3av->av_hw_conf.num_of_avmulti; i++) {
+                res = ps3av_cmd_av_audio_mute(1,
+                        &ps3av->av_port[i + ps3av->av_hw_conf.num_of_hdmi],
+                        mute);
+                if (res < 0)
+                        return -1;
+        }
+        return 0;
+}
+EXPORT_SYMBOL_GPL(ps3av_audio_mute_analog);
+
 int ps3av_audio_mute(int mute)
 {
         return ps3av_set_audio_mute(mute ? PS3AV_CMD_MUTE_ON