[ALSA] Fix mulaw -> linear conversion in OSS PCM emulation

Modules: ALSA<-OSS emulation

Fixed the missing mulaw -> linear conversion in OSS PCM emulation code.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 2 insertions, 1 deletions

diff --git a/sound/core/oss/pcm_plugin.c b/sound/core/oss/pcm_plugin.c
index cec2774425ec..0e67dd280a5d 100644
--- a/sound/core/oss/pcm_plugin.c
+++ b/sound/core/oss/pcm_plugin.c
@@ -470,7 +470,8 @@ int snd_pcm_plug_format_plugins(struct snd_pcm_substream *plug,
         /* format change */
         if (srcformat.format != dstformat.format) {
                 tmpformat.format = dstformat.format;
-                if (tmpformat.format == SNDRV_PCM_FORMAT_MU_LAW) {
+                if (srcformat.format == SNDRV_PCM_FORMAT_MU_LAW ||
+                    tmpformat.format == SNDRV_PCM_FORMAT_MU_LAW) {
                         err = snd_pcm_plugin_build_mulaw(plug,
                                                          &srcformat, &tmpformat,
                                                          &plugin);