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Diffstat (limited to 'sound/pci')
-rw-r--r--sound/pci/ac97/ac97_patch.c2
-rw-r--r--sound/pci/cmipci.c14
2 files changed, 13 insertions, 3 deletions
diff --git a/sound/pci/ac97/ac97_patch.c b/sound/pci/ac97/ac97_patch.c
index 1caf5e3c1f6..e68c98ef404 100644
--- a/sound/pci/ac97/ac97_patch.c
+++ b/sound/pci/ac97/ac97_patch.c
@@ -1852,12 +1852,14 @@ static unsigned int ad1981_jacks_blacklist[] = {
0x10140523, /* Thinkpad R40 */
0x10140534, /* Thinkpad X31 */
0x10140537, /* Thinkpad T41p */
+ 0x1014053e, /* Thinkpad R40e */
0x10140554, /* Thinkpad T42p/R50p */
0x10140567, /* Thinkpad T43p 2668-G7U */
0x10140581, /* Thinkpad X41-2527 */
0x10280160, /* Dell Dimension 2400 */
0x104380b0, /* Asus A7V8X-MX */
0x11790241, /* Toshiba Satellite A-15 S127 */
+ 0x1179ff10, /* Toshiba P500 */
0x144dc01a, /* Samsung NP-X20C004/SEG */
0 /* end */
};
diff --git a/sound/pci/cmipci.c b/sound/pci/cmipci.c
index 1ded64e0564..329968edca9 100644
--- a/sound/pci/cmipci.c
+++ b/sound/pci/cmipci.c
@@ -941,13 +941,21 @@ static snd_pcm_uframes_t snd_cmipci_pcm_pointer(struct cmipci *cm, struct cmipci
struct snd_pcm_substream *substream)
{
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;
ptr = snd_cmipci_read(cm, reg) - rec->offset;