Re: [es18xx.c PATCH] #1/4 for Zoom Video - resolve common vs chipset specific mixer controls

[Takashi Iwai <tiwai@suse.de>]

At Sun, 08 Jan 2006 18:01:21 -0500,
Mark Salazar wrote:
> 
> Takashi Iwai wrote:
> 
> >This doesn't work for the multiple cards because you overwrite the
> >static array.  
> >
> Yup. Good catch. Chalk up another one for peer review.
> 
> >Better to create once kcontrol instaces via
> >snd_ctl_new1(), then copy the name on each instance according to the
> >model.
> >  
> >
> Hmmm .. what if I just reset it to UNSET in the loop where it's used (as 
> this patch does)?

Well, I think the below is more straightforward.
Please let me know if it works, then I'll merge your patches to CVS.

Thanks,

Takashi


Index: alsa-kernel/isa/es18xx.c
===================================================================
RCS file: /home/iwai/cvs/alsa/alsa-kernel/isa/es18xx.c,v
retrieving revision 1.58
diff -u -r1.58 es18xx.c
--- alsa-kernel/isa/es18xx.c	4 Jan 2006 15:10:33 -0000	1.58
+++ alsa-kernel/isa/es18xx.c	9 Jan 2006 12:13:24 -0000
@@ -1191,19 +1191,22 @@
 	return change;
 }
 
+/* Mixer controls
+ * These arrays contain setup data for mixer controls.
+ * 
+ * The controls that are universal to all chipsets are fully initialized
+ * here.
+ */
 static struct snd_kcontrol_new snd_es18xx_base_controls[] = {
 ES18XX_DOUBLE("Master Playback Volume", 0, 0x60, 0x62, 0, 0, 63, 0),
 ES18XX_DOUBLE("Master Playback Switch", 0, 0x60, 0x62, 6, 6, 1, 1),
 ES18XX_DOUBLE("Line Playback Volume", 0, 0x3e, 0x3e, 4, 0, 15, 0),
 ES18XX_DOUBLE("CD Playback Volume", 0, 0x38, 0x38, 4, 0, 15, 0),
 ES18XX_DOUBLE("FM Playback Volume", 0, 0x36, 0x36, 4, 0, 15, 0),
-ES18XX_DOUBLE("Mono Playback Volume", 0, 0x6d, 0x6d, 4, 0, 15, 0),
 ES18XX_DOUBLE("Mic Playback Volume", 0, 0x1a, 0x1a, 4, 0, 15, 0),
 ES18XX_DOUBLE("Aux Playback Volume", 0, 0x3a, 0x3a, 4, 0, 15, 0),
-ES18XX_SINGLE("PC Speaker Playback Volume", 0, 0x3c, 0, 7, 0),
 ES18XX_SINGLE("Record Monitor", 0, 0xa8, 3, 1, 0),
 ES18XX_DOUBLE("Capture Volume", 0, 0xb4, 0xb4, 4, 0, 15, 0),
-ES18XX_SINGLE("Capture Switch", 0, 0x1c, 4, 1, 1),
 {
 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 	.name = "Capture Source",
@@ -1213,19 +1216,27 @@
 }
 };
 
-static struct snd_kcontrol_new snd_es18xx_mono_in_control = 
-ES18XX_DOUBLE("Mono Input Playback Volume", 0, 0x6d, 0x6d, 4, 0, 15, 0);
-
 static struct snd_kcontrol_new snd_es18xx_recmix_controls[] = {
 ES18XX_DOUBLE("PCM Capture Volume", 0, 0x69, 0x69, 4, 0, 15, 0),
 ES18XX_DOUBLE("Mic Capture Volume", 0, 0x68, 0x68, 4, 0, 15, 0),
 ES18XX_DOUBLE("Line Capture Volume", 0, 0x6e, 0x6e, 4, 0, 15, 0),
 ES18XX_DOUBLE("FM Capture Volume", 0, 0x6b, 0x6b, 4, 0, 15, 0),
-ES18XX_DOUBLE("Mono Capture Volume", 0, 0x6f, 0x6f, 4, 0, 15, 0),
 ES18XX_DOUBLE("CD Capture Volume", 0, 0x6a, 0x6a, 4, 0, 15, 0),
 ES18XX_DOUBLE("Aux Capture Volume", 0, 0x6c, 0x6c, 4, 0, 15, 0)
 };
 
+/*
+ * The chipset specific mixer controls
+ */
+static struct snd_kcontrol_new snd_es18xx_opt_speaker =
+	ES18XX_SINGLE("PC Speaker Playback Volume", 0, 0x3c, 0, 7, 0);
+
+static struct snd_kcontrol_new snd_es18xx_opt_1869[] = {
+ES18XX_SINGLE("Capture Switch", 0, 0x1c, 4, 1, 1),
+ES18XX_DOUBLE("Mono Playback Volume", 0, 0x6d, 0x6d, 4, 0, 15, 0),
+ES18XX_DOUBLE("Mono Capture Volume", 0, 0x6f, 0x6f, 4, 0, 15, 0)
+};
+
 static struct snd_kcontrol_new snd_es18xx_pcm1_controls[] = {
 ES18XX_DOUBLE("PCM Playback Volume", 0, 0x14, 0x14, 4, 0, 15, 0),
 };
@@ -1476,11 +1487,14 @@
 	}
 			
         outb(0x40, chip->port + 0x04);
+	udelay(10);
 	hi = inb(chip->port + 0x05);
+	udelay(10);
 	lo = inb(chip->port + 0x05);
 	if (hi != lo) {
 		chip->version = hi << 8 | lo;
 		chip->ctrl_port = inb(chip->port + 0x05) << 8;
+		udelay(10);
 		chip->ctrl_port += inb(chip->port + 0x05);
 
 		if ((chip->res_ctrl_port = request_region(chip->ctrl_port, 8, "ES18xx - CTRL")) == NULL) {
@@ -1778,10 +1792,6 @@
 		}
 	}
 
-	if (chip->caps & ES18XX_MONO) {
-		if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_es18xx_mono_in_control, chip))) < 0)
-			return err;
-	}
 	if (chip->caps & ES18XX_RECMIX) {
 		for (idx = 0; idx < ARRAY_SIZE(snd_es18xx_recmix_controls); idx++) {
 			if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_es18xx_recmix_controls[idx], chip))) < 0)
@@ -1819,6 +1829,23 @@
 			
 		}
 	}
+	/* finish initializing other chipset specific controls
+	 */
+	if (chip->version != 0x1868) {
+		err = snd_ctl_add(card, snd_ctl_new1(&snd_es18xx_opt_speaker,
+						     chip));
+		if (err < 0)
+			return err;
+	}
+	if (chip->version == 0x1869) {
+		for (idx = 0; idx < ARRAY_SIZE(snd_es18xx_opt_1869); idx++) {
+			err = snd_ctl_add(card,
+					  snd_ctl_new1(&snd_es18xx_opt_1869[idx],
+						       chip));
+			if (err < 0)
+				return err;
+		}
+	}
 	return 0;
 }
        


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