Changeset 499 for GPL/branches/uniaud32-2.1.x/alsa-kernel/pci/cmipci.c

Timestamp:

Jul 5, 2010, 11:51:20 AM (15 years ago)

Author:

Paul Smedley

Message:

Update Uniaud32-2.1.x branch with necessary changes for ALSA 1.0.23

File:

• GPL/branches/uniaud32-2.1.x/alsa-kernel/pci/cmipci.c (modified) (5 diffs)

GPL/branches/uniaud32-2.1.x/alsa-kernel/pci/cmipci.c

@@ -947 +947 @@
 {
         size_t ptr;
-        unsigned int reg;
+        unsigned int reg, rem, tries;
+
         if (!rec->running)
                 return 0;
 #if 1 // this seems better..
         reg = rec->ch ? CM_REG_CH1_FRAME2 : CM_REG_CH0_FRAME2;
-        ptr = rec->dma_size - (snd_cmipci_read_w(cm, reg) + 1);
-        ptr >>= rec->shift;
+        for (tries = 0; tries < 3; tries++) {
+                rem = snd_cmipci_read_w(cm, reg);
+                if (rem < rec->dma_size)
+                        goto ok;
+        } 
+        printk(KERN_ERR "cmipci: invalid PCM pointer: %#x\n", rem);
+        return SNDRV_PCM_POS_XRUN;
+ok:
+        ptr = (rec->dma_size - (rem + 1)) >> rec->shift;
 #else
         reg = rec->ch ? CM_REG_CH1_FRAME1 : CM_REG_CH0_FRAME1;
@@ -2308 +2316 @@
         CMIPCI_SB_SW_MONO("Mic Playback Switch", 0),
         CMIPCI_DOUBLE("Mic Capture Switch", SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT, 0, 0, 1, 0, 0),
-        CMIPCI_SB_VOL_MONO("PC Speaker Playback Volume", SB_DSP4_SPEAKER_DEV, 6, 3),
+        CMIPCI_SB_VOL_MONO("Beep Playback Volume", SB_DSP4_SPEAKER_DEV, 6, 3),
         CMIPCI_MIXER_VOL_STEREO("Aux Playback Volume", CM_REG_AUX_VOL, 4, 0, 15),
         CMIPCI_MIXER_SW_STEREO("Aux Playback Switch", CM_REG_MIXER2, CM_VAUXLM_SHIFT, CM_VAUXRM_SHIFT, 0),
@@ -2316 +2324 @@
         CMIPCI_SB_VOL_MONO("Phone Playback Volume", CM_REG_EXTENT_IND, 5, 7),
         CMIPCI_DOUBLE("Phone Playback Switch", CM_REG_EXTENT_IND, CM_REG_EXTENT_IND, 4, 4, 1, 0, 0),
-        CMIPCI_DOUBLE("PC Speaker Playback Switch", CM_REG_EXTENT_IND, CM_REG_EXTENT_IND, 3, 3, 1, 0, 0),
+        CMIPCI_DOUBLE("Beep Playback Switch", CM_REG_EXTENT_IND, CM_REG_EXTENT_IND, 3, 3, 1, 0, 0),
         CMIPCI_DOUBLE("Mic Boost Capture Switch", CM_REG_EXTENT_IND, CM_REG_EXTENT_IND, 0, 0, 1, 0, 0),
 };
@@ -2813 +2821 @@
 
 
-static struct pci_device_id snd_cmipci_ids[] = {
+static DEFINE_PCI_DEVICE_TABLE(snd_cmipci_ids) = {
         {PCI_VDEVICE(CMEDIA, PCI_DEVICE_ID_CMEDIA_CM8338A), 0},
         {PCI_VDEVICE(CMEDIA, PCI_DEVICE_ID_CMEDIA_CM8338B), 0},
@@ -3035 +3043 @@
         char modelstr[16];
         int pcm_index, pcm_spdif_index;
-        static struct pci_device_id intel_82437vx[] = {
+        static DEFINE_PCI_DEVICE_TABLE(intel_82437vx) = {
                 { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82437VX) },
                 {0},