Changeset 598 for GPL/trunk/alsa-kernel/pci/au88x0/au88x0_pcm.c

Timestamp:

Apr 3, 2017, 4:51:56 PM (8 years ago)

Author:

David Azarewicz

Message:

Merged/reintegrated v2 branch into trunk. Trunk is now v2

Location:

GPL/trunk

Files:

• . (modified) (1 prop)
• alsa-kernel/pci/au88x0/au88x0_pcm.c (modified) (3 diffs)

GPL/trunk/alsa-kernel/pci/au88x0/au88x0_pcm.c ¶

@@ -43 +43 @@
         .rate_max = 48000,
         .channels_min = 1,
-#ifdef CHIP_AU8830
-        .channels_max = 4,
-#else
         .channels_max = 2,
-#endif
         .buffer_bytes_max = 0x10000,
         .period_bytes_min = 0x1,
@@ -116 +112 @@
 };
 #endif
+#ifdef CHIP_AU8830
+static unsigned int au8830_channels[3] = {
+        1, 2, 4,
+};
+
+static struct snd_pcm_hw_constraint_list hw_constraints_au8830_channels = {
+        .count = ARRAY_SIZE(au8830_channels),
+        .list = au8830_channels,
+        .mask = 0,
+};
+#endif
 /* open callback */
 static int snd_vortex_pcm_open(struct snd_pcm_substream *substream)
@@ -157 +164 @@
                     || VORTEX_PCM_TYPE(substream->pcm) == VORTEX_PCM_I2S)
                         runtime->hw = snd_vortex_playback_hw_adb;
+#ifdef CHIP_AU8830
+                if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK &&
+                        VORTEX_PCM_TYPE(substream->pcm) == VORTEX_PCM_ADB) {
+                        runtime->hw.channels_max = 4;
+                        snd_pcm_hw_constraint_list(runtime, 0,
+                                SNDRV_PCM_HW_PARAM_CHANNELS,
+                                &hw_constraints_au8830_channels);
+                }
+#endif
                 substream->runtime->private_data = NULL;
         }