Merge branch 'for-2.6.34' into for-2.6.35

Conflicts due to context changes next to the backported DMA data change:
	include/sound/soc.h

diff --git a/include/sound/soc.h b/include/sound/soc.h
index 80dfac162723a1c06420dc1d792164019674fb98..4ab3dad4a9c99bcde8fa896d641c9e5d759c4b35 100644 (file)
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -381,7 +381,7 @@ struct snd_soc_pcm_stream {
        unsigned int rate_max;          /* max rate */
        unsigned int channels_min;      /* min channels */
        unsigned int channels_max;      /* max channels */
-       unsigned int active;            /* num of active users of the stream */
+       unsigned int active;            /* stream is in use */
        void *dma_data;                 /* used by platform code */
 };
 

diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c
index fc3dce8149249cbc002f48ca3b4661292d58b56c..e00201e0820e57a64aef687b8312976072b754bb 100644 (file)
--- a/sound/soc/codecs/wm8994.c
+++ b/sound/soc/codecs/wm8994.c
@@ -3015,34 +3015,39 @@ static int wm8994_set_bias_level(struct snd_soc_codec *codec,
                break;
 
        case SND_SOC_BIAS_OFF:
-               /* Switch over to startup biases */
-               snd_soc_update_bits(codec, WM8994_ANTIPOP_2,
-                                   WM8994_BIAS_SRC | WM8994_STARTUP_BIAS_ENA |
-                                   WM8994_VMID_BUF_ENA |
-                                   WM8994_VMID_RAMP_MASK,
-                                   WM8994_BIAS_SRC | WM8994_STARTUP_BIAS_ENA |
-                                   WM8994_VMID_BUF_ENA |
-                                   (1 << WM8994_VMID_RAMP_SHIFT));
-
-               /* Disable main biases */
-               snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_1,
-                                   WM8994_BIAS_ENA | WM8994_VMID_SEL_MASK, 0);
+               if (codec->bias_level == SND_SOC_BIAS_STANDBY) {
+                       /* Switch over to startup biases */
+                       snd_soc_update_bits(codec, WM8994_ANTIPOP_2,
+                                           WM8994_BIAS_SRC |
+                                           WM8994_STARTUP_BIAS_ENA |
+                                           WM8994_VMID_BUF_ENA |
+                                           WM8994_VMID_RAMP_MASK,
+                                           WM8994_BIAS_SRC |
+                                           WM8994_STARTUP_BIAS_ENA |
+                                           WM8994_VMID_BUF_ENA |
+                                           (1 << WM8994_VMID_RAMP_SHIFT));
 
-               /* Discharge line */
-               snd_soc_update_bits(codec, WM8994_ANTIPOP_1,
-                                   WM8994_LINEOUT1_DISCH |
-                                   WM8994_LINEOUT2_DISCH,
-                                   WM8994_LINEOUT1_DISCH |
-                                   WM8994_LINEOUT2_DISCH);
+                       /* Disable main biases */
+                       snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_1,
+                                           WM8994_BIAS_ENA |
+                                           WM8994_VMID_SEL_MASK, 0);
 
-               msleep(5);
+                       /* Discharge line */
+                       snd_soc_update_bits(codec, WM8994_ANTIPOP_1,
+                                           WM8994_LINEOUT1_DISCH |
+                                           WM8994_LINEOUT2_DISCH,
+                                           WM8994_LINEOUT1_DISCH |
+                                           WM8994_LINEOUT2_DISCH);
 
-               /* Switch off startup biases */
-               snd_soc_update_bits(codec, WM8994_ANTIPOP_2,
-                                   WM8994_BIAS_SRC | WM8994_STARTUP_BIAS_ENA |
-                                   WM8994_VMID_BUF_ENA |
-                                   WM8994_VMID_RAMP_MASK, 0);
+                       msleep(5);
 
+                       /* Switch off startup biases */
+                       snd_soc_update_bits(codec, WM8994_ANTIPOP_2,
+                                           WM8994_BIAS_SRC |
+                                           WM8994_STARTUP_BIAS_ENA |
+                                           WM8994_VMID_BUF_ENA |
+                                           WM8994_VMID_RAMP_MASK, 0);
+               }
                break;
        }
        codec->bias_level = level;
@@ -3866,11 +3871,12 @@ static int wm8994_codec_probe(struct platform_device *pdev)
        case 3:
                wm8994->hubs.dcs_codes = -5;
                wm8994->hubs.hp_startup_mode = 1;
+               wm8994->hubs.dcs_readback_mode = 1;
                break;
        default:
+               wm8994->hubs.dcs_readback_mode = 1;
                break;
        }
-                          
 
        ret = wm8994_request_irq(codec->control_data, WM8994_IRQ_MIC1_DET,
                                 wm8994_mic_irq, "Mic 1 detect", wm8994);

diff --git a/sound/soc/codecs/wm_hubs.c b/sound/soc/codecs/wm_hubs.c
index 486bdd21a98ab9115f6ee6e37133491079d0ca4d..e1f225a3ac46fbd2869378b273dcc32fa9319aca 100644 (file)
--- a/sound/soc/codecs/wm_hubs.c
+++ b/sound/soc/codecs/wm_hubs.c
@@ -62,21 +62,27 @@ static const char *speaker_mode_text[] = {
 static const struct soc_enum speaker_mode =
        SOC_ENUM_SINGLE(WM8993_SPKMIXR_ATTENUATION, 8, 2, speaker_mode_text);
 
-static void wait_for_dc_servo(struct snd_soc_codec *codec)
+static void wait_for_dc_servo(struct snd_soc_codec *codec, unsigned int op)
 {
        unsigned int reg;
        int count = 0;
+       unsigned int val;
+
+       val = op | WM8993_DCS_ENA_CHAN_0 | WM8993_DCS_ENA_CHAN_1;
+
+       /* Trigger the command */
+       snd_soc_write(codec, WM8993_DC_SERVO_0, val);
 
        dev_dbg(codec->dev, "Waiting for DC servo...\n");
 
        do {
                count++;
                msleep(1);
-               reg = snd_soc_read(codec, WM8993_DC_SERVO_READBACK_0);
+               reg = snd_soc_read(codec, WM8993_DC_SERVO_0);
                dev_dbg(codec->dev, "DC servo: %x\n", reg);
-       } while (reg & WM8993_DCS_DATAPATH_BUSY && count < 400);
+       } while (reg & op && count < 400);
 
-       if (reg & WM8993_DCS_DATAPATH_BUSY)
+       if (reg & op)
                dev_err(codec->dev, "Timed out waiting for DC Servo\n");
 }
 
@@ -86,51 +92,58 @@ static void wait_for_dc_servo(struct snd_soc_codec *codec)
 static void calibrate_dc_servo(struct snd_soc_codec *codec)
 {
        struct wm_hubs_data *hubs = codec->private_data;
-       u16 reg, dcs_cfg;
+       u16 reg, reg_l, reg_r, dcs_cfg;
 
        /* Set for 32 series updates */
        snd_soc_update_bits(codec, WM8993_DC_SERVO_1,
                            WM8993_DCS_SERIES_NO_01_MASK,
                            32 << WM8993_DCS_SERIES_NO_01_SHIFT);
-
-       /* Enable the DC servo.  Write all bits to avoid triggering startup
-        * or write calibration.
-        */
-       snd_soc_update_bits(codec, WM8993_DC_SERVO_0,
-                           0xFFFF,
-                           WM8993_DCS_ENA_CHAN_0 |
-                           WM8993_DCS_ENA_CHAN_1 |
-                           WM8993_DCS_TRIG_SERIES_1 |
-                           WM8993_DCS_TRIG_SERIES_0);
-
-       wait_for_dc_servo(codec);
+       wait_for_dc_servo(codec,
+                         WM8993_DCS_TRIG_SERIES_0 | WM8993_DCS_TRIG_SERIES_1);
 
        /* Apply correction to DC servo result */
        if (hubs->dcs_codes) {
                dev_dbg(codec->dev, "Applying %d code DC servo correction\n",
                        hubs->dcs_codes);
 
+               /* Different chips in the family support different
+                * readback methods.
+                */
+               switch (hubs->dcs_readback_mode) {
+               case 0:
+                       reg_l = snd_soc_read(codec, WM8993_DC_SERVO_READBACK_1)
+                               & WM8993_DCS_INTEG_CHAN_0_MASK;;
+                       reg_r = snd_soc_read(codec, WM8993_DC_SERVO_READBACK_2)
+                               & WM8993_DCS_INTEG_CHAN_1_MASK;
+                       break;
+               case 1:
+                       reg = snd_soc_read(codec, WM8993_DC_SERVO_3);
+                       reg_l = (reg & WM8993_DCS_DAC_WR_VAL_1_MASK)
+                               >> WM8993_DCS_DAC_WR_VAL_1_SHIFT;
+                       reg_r = reg & WM8993_DCS_DAC_WR_VAL_0_MASK;
+                       break;
+               default:
+                       WARN(1, "Unknown DCS readback method");
+                       break;
+               }
+
                /* HPOUT1L */
-               reg = snd_soc_read(codec, WM8993_DC_SERVO_READBACK_1) &
-                       WM8993_DCS_INTEG_CHAN_0_MASK;;
-               reg += hubs->dcs_codes;
-               dcs_cfg = reg << WM8993_DCS_DAC_WR_VAL_1_SHIFT;
+               if (reg_l + hubs->dcs_codes > 0 &&
+                   reg_l + hubs->dcs_codes < 0xff)
+                       reg_l += hubs->dcs_codes;
+               dcs_cfg = reg_l << WM8993_DCS_DAC_WR_VAL_1_SHIFT;
 
                /* HPOUT1R */
-               reg = snd_soc_read(codec, WM8993_DC_SERVO_READBACK_2) &
-                       WM8993_DCS_INTEG_CHAN_1_MASK;
-               reg += hubs->dcs_codes;
-               dcs_cfg |= reg;
+               if (reg_r + hubs->dcs_codes > 0 &&
+                   reg_r + hubs->dcs_codes < 0xff)
+                       reg_r += hubs->dcs_codes;
+               dcs_cfg |= reg_r;
 
                /* Do it */
                snd_soc_write(codec, WM8993_DC_SERVO_3, dcs_cfg);
-               snd_soc_update_bits(codec, WM8993_DC_SERVO_0,
-                                   WM8993_DCS_TRIG_DAC_WR_0 |
-                                   WM8993_DCS_TRIG_DAC_WR_1,
-                                   WM8993_DCS_TRIG_DAC_WR_0 |
-                                   WM8993_DCS_TRIG_DAC_WR_1);
-
-               wait_for_dc_servo(codec);
+               wait_for_dc_servo(codec,
+                                 WM8993_DCS_TRIG_DAC_WR_0 |
+                                 WM8993_DCS_TRIG_DAC_WR_1);
        }
 }
 
@@ -141,10 +154,16 @@ static int wm8993_put_dc_servo(struct snd_kcontrol *kcontrol,
                               struct snd_ctl_elem_value *ucontrol)
 {
        struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+       struct wm_hubs_data *hubs = codec->private_data;
        int ret;
 
        ret = snd_soc_put_volsw_2r(kcontrol, ucontrol);
 
+       /* If we're applying an offset correction then updating the
+        * callibration would be likely to introduce further offsets. */
+       if (hubs->dcs_codes)
+               return ret;
+
        /* Only need to do this if the outputs are active */
        if (snd_soc_read(codec, WM8993_POWER_MANAGEMENT_1)
            & (WM8993_HPOUT1L_ENA | WM8993_HPOUT1R_ENA))

diff --git a/sound/soc/codecs/wm_hubs.h b/sound/soc/codecs/wm_hubs.h
index 420104fe9c90467a1c9027c3e9bc234cab28ecc8..e51c16683589ffb612f3ec58761f01ea24c7223e 100644 (file)
--- a/sound/soc/codecs/wm_hubs.h
+++ b/sound/soc/codecs/wm_hubs.h
@@ -21,6 +21,7 @@ extern const unsigned int wm_hubs_spkmix_tlv[];
 /* This *must* be the first element of the codec->private_data struct */
 struct wm_hubs_data {
        int dcs_codes;
+       int dcs_readback_mode;
        int hp_startup_mode;
 };
 

diff --git a/sound/soc/omap/omap-pcm.c b/sound/soc/omap/omap-pcm.c
index 39538c0f81f0dd1ce6b05a660201aa5a4594269c..39456447132c86405730249f8cc48af7589e64a7 100644 (file)
--- a/sound/soc/omap/omap-pcm.c
+++ b/sound/soc/omap/omap-pcm.c
@@ -60,12 +60,11 @@ static void omap_pcm_dma_irq(int ch, u16 stat, void *data)
        struct omap_runtime_data *prtd = runtime->private_data;
        unsigned long flags;
 
-       if ((cpu_is_omap1510()) &&
-                       (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)) {
+       if ((cpu_is_omap1510())) {
                /*
                 * OMAP1510 doesn't fully support DMA progress counter
                 * and there is no software emulation implemented yet,
-                * so have to maintain our own playback progress counter
+                * so have to maintain our own progress counters
                 * that can be used by omap_pcm_pointer() instead.
                 */
                spin_lock_irqsave(&prtd->lock, flags);
@@ -191,8 +190,7 @@ static int omap_pcm_prepare(struct snd_pcm_substream *substream)
        dma_params.frame_count  = runtime->periods;
        omap_set_dma_params(prtd->dma_ch, &dma_params);
 
-       if ((cpu_is_omap1510()) &&
-                       (substream->stream == SNDRV_PCM_STREAM_PLAYBACK))
+       if ((cpu_is_omap1510()))
                omap_enable_dma_irq(prtd->dma_ch, OMAP_DMA_FRAME_IRQ |
                              OMAP_DMA_LAST_IRQ | OMAP_DMA_BLOCK_IRQ);
        else
@@ -250,14 +248,15 @@ static snd_pcm_uframes_t omap_pcm_pointer(struct snd_pcm_substream *substream)
        dma_addr_t ptr;
        snd_pcm_uframes_t offset;
 
-       if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
+       if (cpu_is_omap1510()) {
+               offset = prtd->period_index * runtime->period_size;
+       } else if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
                ptr = omap_get_dma_dst_pos(prtd->dma_ch);
                offset = bytes_to_frames(runtime, ptr - runtime->dma_addr);
-       } else if (!(cpu_is_omap1510())) {
+       } else {
                ptr = omap_get_dma_src_pos(prtd->dma_ch);
                offset = bytes_to_frames(runtime, ptr - runtime->dma_addr);
-       } else
-               offset = prtd->period_index * runtime->period_size;
+       }
 
        if (offset >= runtime->buffer_size)
                offset = 0;