[ALSA] PCM resume cleanups

Digigram VX core,CS4231 driver,ATIIXP driver,VIA82xx driver
VIA82xx-modem driver,au88x0 driver,CS46xx driver,Trident driver
This patch disables SNDRV_PCM_INFO_RESUME flag for drivers which does not
support the full resume.

Signed-off-by: Jaroslav Kysela <perex@suse.cz>

6 files changed, 26 insertions, 15 deletions

diff --git a/sound/pci/atiixp.c b/sound/pci/atiixp.c
index cafab4af5c57..904d17394e1c 100644
--- a/sound/pci/atiixp.c
+++ b/sound/pci/atiixp.c
@@ -248,6 +248,7 @@ struct snd_atiixp_dma {
         unsigned int period_bytes, periods;
         int opened;
         int running;
+        int suspended;
         int pcm_open_flag;
         int ac97_pcm_type;      /* index # of ac97_pcm to access, -1 = not used */
         unsigned int saved_curptr;
@@ -699,12 +700,18 @@ static int snd_atiixp_pcm_trigger(snd_pcm_substream_t *substream, int cmd)
         spin_lock(&chip->reg_lock);
         switch (cmd) {
         case SNDRV_PCM_TRIGGER_START:
+        case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+        case SNDRV_PCM_TRIGGER_RESUME:
                 dma->ops->enable_transfer(chip, 1);
                 dma->running = 1;
+                dma->suspended = 0;
                 break;
         case SNDRV_PCM_TRIGGER_STOP:
+        case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+        case SNDRV_PCM_TRIGGER_SUSPEND:
                 dma->ops->enable_transfer(chip, 0);
                 dma->running = 0;
+                dma->suspended = cmd == SNDRV_PCM_TRIGGER_SUSPEND;
                 break;
         default:
                 err = -EINVAL;
@@ -975,6 +982,7 @@ static snd_pcm_hardware_t snd_atiixp_pcm_hw =
 {
         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
+                                 SNDRV_PCM_INFO_PAUSE |
                                  SNDRV_PCM_INFO_RESUME |
                                  SNDRV_PCM_INFO_MMAP_VALID),
         .formats =              SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE,
@@ -1443,7 +1451,7 @@ static int snd_atiixp_resume(snd_card_t *card)
         for (i = 0; i < NUM_ATI_PCMDEVS; i++)
                 if (chip->pcmdevs[i]) {
                         atiixp_dma_t *dma = &chip->dmas[i];
-                        if (dma->substream && dma->running) {
+                        if (dma->substream && dma->suspended) {
                                 dma->ops->enable_dma(chip, 1);
                                 writel((u32)dma->desc_buf.addr | ATI_REG_LINKPTR_EN,
                                        chip->remap_addr + dma->ops->llp_offset);
diff --git a/sound/pci/au88x0/au88x0_pcm.c b/sound/pci/au88x0/au88x0_pcm.c
index 04dcefd8b8ff..de95bd6d1ee1 100644
--- a/sound/pci/au88x0/au88x0_pcm.c
+++ b/sound/pci/au88x0/au88x0_pcm.c
@@ -33,7 +33,7 @@
 /* hardware definition */
 static snd_pcm_hardware_t snd_vortex_playback_hw_adb = {
         .info =
-            (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_RESUME |
+            (SNDRV_PCM_INFO_MMAP | /* SNDRV_PCM_INFO_RESUME | */
              SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_INTERLEAVED |
              SNDRV_PCM_INFO_MMAP_VALID),
         .formats =
@@ -58,7 +58,7 @@ static snd_pcm_hardware_t snd_vortex_playback_hw_adb = {
 #ifndef CHIP_AU8820
 static snd_pcm_hardware_t snd_vortex_playback_hw_a3d = {
         .info =
-            (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_RESUME |
+            (SNDRV_PCM_INFO_MMAP | /* SNDRV_PCM_INFO_RESUME | */
              SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_INTERLEAVED |
              SNDRV_PCM_INFO_MMAP_VALID),
         .formats =
@@ -78,7 +78,7 @@ static snd_pcm_hardware_t snd_vortex_playback_hw_a3d = {
 #endif
 static snd_pcm_hardware_t snd_vortex_playback_hw_spdif = {
         .info =
-            (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_RESUME |
+            (SNDRV_PCM_INFO_MMAP | /* SNDRV_PCM_INFO_RESUME | */
              SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_INTERLEAVED |
              SNDRV_PCM_INFO_MMAP_VALID),
         .formats =
diff --git a/sound/pci/cs46xx/cs46xx_lib.c b/sound/pci/cs46xx/cs46xx_lib.c
index 5eb9e0bb9100..4b052158ee33 100644
--- a/sound/pci/cs46xx/cs46xx_lib.c
+++ b/sound/pci/cs46xx/cs46xx_lib.c
@@ -1243,8 +1243,8 @@ static snd_pcm_hardware_t snd_cs46xx_playback =
 {
         .info =                 (SNDRV_PCM_INFO_MMAP |
                                  SNDRV_PCM_INFO_INTERLEAVED | 
-                                 SNDRV_PCM_INFO_BLOCK_TRANSFER |
-                                 SNDRV_PCM_INFO_RESUME),
+                                 SNDRV_PCM_INFO_BLOCK_TRANSFER /*|*/
+                                 /*SNDRV_PCM_INFO_RESUME*/),
         .formats =              (SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U8 |
                                  SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE |
                                  SNDRV_PCM_FMTBIT_U16_LE | SNDRV_PCM_FMTBIT_U16_BE),
@@ -1265,8 +1265,8 @@ static snd_pcm_hardware_t snd_cs46xx_capture =
 {
         .info =                 (SNDRV_PCM_INFO_MMAP |
                                  SNDRV_PCM_INFO_INTERLEAVED |
-                                 SNDRV_PCM_INFO_BLOCK_TRANSFER |
-                                 SNDRV_PCM_INFO_RESUME),
+                                 SNDRV_PCM_INFO_BLOCK_TRANSFER /*|*/
+                                 /*SNDRV_PCM_INFO_RESUME*/),
         .formats =              SNDRV_PCM_FMTBIT_S16_LE,
         .rates =                SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
         .rate_min =             5500,
diff --git a/sound/pci/trident/trident_main.c b/sound/pci/trident/trident_main.c
index 29d89bfba0a4..f30d9d947862 100644
--- a/sound/pci/trident/trident_main.c
+++ b/sound/pci/trident/trident_main.c
@@ -1689,7 +1689,7 @@ static snd_pcm_hardware_t snd_trident_playback =
         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
                                  SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_SYNC_START |
-                                 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME),
+                                 SNDRV_PCM_INFO_PAUSE /* | SNDRV_PCM_INFO_RESUME */),
         .formats =              (SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE |
                                  SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U16_LE),
         .rates =                SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
@@ -1714,7 +1714,7 @@ static snd_pcm_hardware_t snd_trident_capture =
         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
                                  SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_SYNC_START |
-                                 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME),
+                                 SNDRV_PCM_INFO_PAUSE /* | SNDRV_PCM_INFO_RESUME */),
         .formats =              (SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE |
                                  SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U16_LE),
         .rates =                SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
@@ -1739,7 +1739,7 @@ static snd_pcm_hardware_t snd_trident_foldback =
         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
                                  SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_SYNC_START |
-                                 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME),
+                                 SNDRV_PCM_INFO_PAUSE /* | SNDRV_PCM_INFO_RESUME */),
         .formats =              SNDRV_PCM_FMTBIT_S16_LE,
         .rates =                SNDRV_PCM_RATE_48000,
         .rate_min =             48000,
@@ -1763,7 +1763,7 @@ static snd_pcm_hardware_t snd_trident_spdif =
         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
                                  SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_SYNC_START |
-                                 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME),
+                                 SNDRV_PCM_INFO_PAUSE /* | SNDRV_PCM_INFO_RESUME */),
         .formats =              SNDRV_PCM_FMTBIT_S16_LE,
         .rates =                (SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |
                                  SNDRV_PCM_RATE_48000),
@@ -1784,7 +1784,7 @@ static snd_pcm_hardware_t snd_trident_spdif_7018 =
         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
                                  SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_SYNC_START |
-                                 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME),
+                                 SNDRV_PCM_INFO_PAUSE /* | SNDRV_PCM_INFO_RESUME */),
         .formats =              SNDRV_PCM_FMTBIT_S16_LE,
         .rates =                SNDRV_PCM_RATE_48000,
         .rate_min =             48000,
diff --git a/sound/pci/via82xx.c b/sound/pci/via82xx.c
index 819f27b2762b..52ec785c550c 100644
--- a/sound/pci/via82xx.c
+++ b/sound/pci/via82xx.c
@@ -663,10 +663,12 @@ static int snd_via82xx_pcm_trigger(snd_pcm_substream_t * substream, int cmd)
                 val = 0;
         switch (cmd) {
         case SNDRV_PCM_TRIGGER_START:
+        case SNDRV_PCM_TRIGGER_RESUME:
                 val |= VIA_REG_CTRL_START;
                 viadev->running = 1;
                 break;
         case SNDRV_PCM_TRIGGER_STOP:
+        case SNDRV_PCM_TRIGGER_SUSPEND:
                 val = VIA_REG_CTRL_TERMINATE;
                 viadev->running = 0;
                 break;
@@ -1035,7 +1037,7 @@ static snd_pcm_hardware_t snd_via82xx_hw =
         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
                                  SNDRV_PCM_INFO_MMAP_VALID |
-                                 SNDRV_PCM_INFO_RESUME |
+                                 /* SNDRV_PCM_INFO_RESUME | */
                                  SNDRV_PCM_INFO_PAUSE),
         .formats =              SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
         .rates =                SNDRV_PCM_RATE_48000,
diff --git a/sound/pci/via82xx_modem.c b/sound/pci/via82xx_modem.c
index 4a9779cc9733..5872d438a04a 100644
--- a/sound/pci/via82xx_modem.c
+++ b/sound/pci/via82xx_modem.c
@@ -521,6 +521,7 @@ static int snd_via82xx_pcm_trigger(snd_pcm_substream_t * substream, int cmd)
 
         switch (cmd) {
         case SNDRV_PCM_TRIGGER_START:
+        case SNDRV_PCM_TRIGGER_SUSPEND:
                 val |= VIA_REG_CTRL_START;
                 viadev->running = 1;
                 break;
@@ -697,7 +698,7 @@ static snd_pcm_hardware_t snd_via82xx_hw =
         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
                                  SNDRV_PCM_INFO_MMAP_VALID |
-                                 SNDRV_PCM_INFO_RESUME |
+                                 /* SNDRV_PCM_INFO_RESUME | */
                                  SNDRV_PCM_INFO_PAUSE),
         .formats =              SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
         .rates =                SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_KNOT,