---

yaml
---
r: 157507
b: refs/heads/master
c: 9e79261
h: refs/heads/master
i:
  157505: 544e614
  157503: 33f7a13
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: df205936d5d1dfec9a52c90af77bb54a2c9c9728
+refs/heads/master: 9e79261f302083cbc6aa95e0f778e3583b1ab36e

trunk/sound/soc/codecs/wm8903.c

@@ -715,8 +715,6 @@ SOC_ENUM("DAC Soft Mute Rate", soft_mute),
 SOC_ENUM("DAC Mute Mode", mute_mode),
 SOC_SINGLE("DAC Mono Switch", WM8903_DAC_DIGITAL_1, 12, 1, 0),
 SOC_ENUM("DAC De-emphasis", dac_deemphasis),
-SOC_SINGLE("DAC Sloping Stopband Filter Switch",
-	   WM8903_DAC_DIGITAL_1, 11, 1, 0),
 SOC_ENUM("DAC Companding Mode", dac_companding),
 SOC_SINGLE("DAC Companding Switch", WM8903_AUDIO_INTERFACE_0, 1, 1, 0),
 
@@ -1377,12 +1375,19 @@ static int wm8903_hw_params(struct snd_pcm_substream *substream,
 	u16 aif3 = wm8903_read(codec, WM8903_AUDIO_INTERFACE_3);
 	u16 clock0 = wm8903_read(codec, WM8903_CLOCK_RATES_0);
 	u16 clock1 = wm8903_read(codec, WM8903_CLOCK_RATES_1);
+	u16 dac_digital1 = wm8903_read(codec, WM8903_DAC_DIGITAL_1);
 
 	if (substream == wm8903->slave_substream) {
 		dev_dbg(&i2c->dev, "Ignoring hw_params for slave substream\n");
 		return 0;
 	}
 
+	/* Enable sloping stopband filter for low sample rates */
+	if (fs <= 24000)
+		dac_digital1 |= WM8903_DAC_SB_FILT;
+	else
+		dac_digital1 &= ~WM8903_DAC_SB_FILT;
+
 	/* Configure sample rate logic for DSP - choose nearest rate */
 	dsp_config = 0;
 	best_val = abs(sample_rates[dsp_config].rate - fs);
@@ -1507,6 +1512,7 @@ static int wm8903_hw_params(struct snd_pcm_substream *substream,
 	wm8903_write(codec, WM8903_AUDIO_INTERFACE_1, aif1);
 	wm8903_write(codec, WM8903_AUDIO_INTERFACE_2, aif2);
 	wm8903_write(codec, WM8903_AUDIO_INTERFACE_3, aif3);
+	wm8903_write(codec, WM8903_DAC_DIGITAL_1, dac_digital1);
 
 	return 0;
 }