ALSA: hda - Drop azx_sd_read*/write*() macros

They are no longer used (only one place which can be replaced with a
proper helper function).  Let's drop.
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/hda/hda_controller.h

@@ -185,19 +185,6 @@ struct azx {
 #define azx_readb(chip, reg) \
 	snd_hdac_chip_readb(azx_bus(chip), reg)
 
-#define azx_sd_writel(chip, dev, reg, value) \
-	snd_hdac_stream_writel(&(dev)->core, reg, value)
-#define azx_sd_readl(chip, dev, reg) \
-	snd_hdac_stream_readl(&(dev)->core, reg)
-#define azx_sd_writew(chip, dev, reg, value) \
-	snd_hdac_stream_writew(&(dev)->core, reg, value)
-#define azx_sd_readw(chip, dev, reg) \
-	snd_hdac_stream_readw(&(dev)->core, reg)
-#define azx_sd_writeb(chip, dev, reg, value) \
-	snd_hdac_stream_writeb(&(dev)->core, reg, value)
-#define azx_sd_readb(chip, dev, reg) \
-	snd_hdac_stream_readb(&(dev)->core, reg)
-
 #define azx_has_pm_runtime(chip) \
 	(!AZX_DCAPS_PM_RUNTIME || ((chip)->driver_caps & AZX_DCAPS_PM_RUNTIME))
 

sound/pci/hda/hda_intel.c

@@ -680,7 +680,7 @@ static unsigned int azx_via_get_position(struct azx *chip,
 	unsigned int mod_link_pos, mod_dma_pos, mod_mini_pos;
 	unsigned int fifo_size;
 
-	link_pos = azx_sd_readl(chip, azx_dev, SD_LPIB);
+	link_pos = snd_hdac_stream_get_pos_lpib(azx_stream(azx_dev));
 	if (azx_dev->core.substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
 		/* Playback, no problem using link position */
 		return link_pos;