Merge branch 'linus' of master.kernel.org:/pub/scm/linux/kernel/git/perex/alsa
[sfrench/cifs-2.6.git] / sound / pci / ac97 / ac97_codec.c
index 7abcb10b2754c01b5c156006ff92504c2c75134b..74ed81081478c1266a8851f6c8709fcdcc90c486 100644 (file)
@@ -111,7 +111,7 @@ static const struct ac97_codec_id snd_ac97_codec_ids[] = {
 { 0x41445372, 0xffffffff, "AD1981A",           patch_ad1981a,  NULL },
 { 0x41445374, 0xffffffff, "AD1981B",           patch_ad1981b,  NULL },
 { 0x41445375, 0xffffffff, "AD1985",            patch_ad1985,   NULL },
-{ 0x41445378, 0xffffffff, "AD1986",            patch_ad1985,   NULL },
+{ 0x41445378, 0xffffffff, "AD1986",            patch_ad1986,   NULL },
 { 0x414c4300, 0xffffff00, "ALC100,100P",       NULL,           NULL },
 { 0x414c4710, 0xfffffff0, "ALC200,200P",       NULL,           NULL },
 { 0x414c4721, 0xffffffff, "ALC650D",           NULL,   NULL }, /* already patched */
@@ -129,9 +129,9 @@ static const struct ac97_codec_id snd_ac97_codec_ids[] = {
 { 0x434d4941, 0xffffffff, "CMI9738",           patch_cm9738,   NULL },
 { 0x434d4961, 0xffffffff, "CMI9739",           patch_cm9739,   NULL },
 { 0x434d4969, 0xffffffff, "CMI9780",           patch_cm9780,   NULL },
-{ 0x434d4978, 0xffffffff, "CMI9761",           patch_cm9761,   NULL },
-{ 0x434d4982, 0xffffffff, "CMI9761",           patch_cm9761,   NULL },
-{ 0x434d4983, 0xffffffff, "CMI9761",           patch_cm9761,   NULL },
+{ 0x434d4978, 0xffffffff, "CMI9761A",          patch_cm9761,   NULL },
+{ 0x434d4982, 0xffffffff, "CMI9761B",          patch_cm9761,   NULL },
+{ 0x434d4983, 0xffffffff, "CMI9761A+",         patch_cm9761,   NULL },
 { 0x43525900, 0xfffffff8, "CS4297",            NULL,           NULL },
 { 0x43525910, 0xfffffff8, "CS4297A",           patch_cirrus_spdif,     NULL },
 { 0x43525920, 0xfffffff8, "CS4298",            patch_cirrus_spdif,             NULL },
@@ -194,6 +194,13 @@ static const struct ac97_codec_id snd_ac97_codec_ids[] = {
 
 
 static void update_power_regs(struct snd_ac97 *ac97);
+#ifdef CONFIG_SND_AC97_POWER_SAVE
+#define ac97_is_power_save_mode(ac97) \
+       ((ac97->scaps & AC97_SCAP_POWER_SAVE) && power_save)
+#else
+#define ac97_is_power_save_mode(ac97) 0
+#endif
+
 
 /*
  *  I/O routines
@@ -382,7 +389,7 @@ int snd_ac97_update_bits_nolock(struct snd_ac97 *ac97, unsigned short reg,
        unsigned short old, new;
 
        old = snd_ac97_read_cache(ac97, reg);
-       new = (old & ~mask) | value;
+       new = (old & ~mask) | (value & mask);
        change = old != new;
        if (change) {
                ac97->regs[reg] = new;
@@ -399,7 +406,7 @@ static int snd_ac97_ad18xx_update_pcm_bits(struct snd_ac97 *ac97, int codec, uns
 
        mutex_lock(&ac97->page_mutex);
        old = ac97->spec.ad18xx.pcmreg[codec];
-       new = (old & ~mask) | value;
+       new = (old & ~mask) | (value & mask);
        change = old != new;
        if (change) {
                mutex_lock(&ac97->reg_mutex);
@@ -982,8 +989,8 @@ static int snd_ac97_free(struct snd_ac97 *ac97)
 {
        if (ac97) {
 #ifdef CONFIG_SND_AC97_POWER_SAVE
-               if (ac97->power_workq)
-                       destroy_workqueue(ac97->power_workq);
+               cancel_delayed_work(&ac97->power_work);
+               flush_scheduled_work();
 #endif
                snd_ac97_proc_done(ac97);
                if (ac97->bus)
@@ -1184,13 +1191,13 @@ static int snd_ac97_cmute_new_stereo(struct snd_card *card, char *name, int reg,
 /*
  * set dB information
  */
-static DECLARE_TLV_DB_SCALE(db_scale_4bit, -4500, 300, 0);
-static DECLARE_TLV_DB_SCALE(db_scale_5bit, -4650, 150, 0);
-static DECLARE_TLV_DB_SCALE(db_scale_6bit, -9450, 150, 0);
-static DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max, -3450, 150, 0);
-static DECLARE_TLV_DB_SCALE(db_scale_rec_gain, 0, 150, 0);
+static const DECLARE_TLV_DB_SCALE(db_scale_4bit, -4500, 300, 0);
+static const DECLARE_TLV_DB_SCALE(db_scale_5bit, -4650, 150, 0);
+static const DECLARE_TLV_DB_SCALE(db_scale_6bit, -9450, 150, 0);
+static const DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max, -3450, 150, 0);
+static const DECLARE_TLV_DB_SCALE(db_scale_rec_gain, 0, 150, 0);
 
-static unsigned int *find_db_scale(unsigned int maxval)
+static const unsigned int *find_db_scale(unsigned int maxval)
 {
        switch (maxval) {
        case 0x0f: return db_scale_4bit;
@@ -1200,8 +1207,8 @@ static unsigned int *find_db_scale(unsigned int maxval)
        return NULL;
 }
 
-static void set_tlv_db_scale(struct snd_kcontrol *kctl, unsigned int *tlv)
-{      
+static void set_tlv_db_scale(struct snd_kcontrol *kctl, const unsigned int *tlv)
+{
        kctl->tlv.p = tlv;
        if (tlv)
                kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ;
@@ -1989,7 +1996,6 @@ int snd_ac97_mixer(struct snd_ac97_bus *bus, struct snd_ac97_template *template,
        mutex_init(&ac97->reg_mutex);
        mutex_init(&ac97->page_mutex);
 #ifdef CONFIG_SND_AC97_POWER_SAVE
-       ac97->power_workq = create_workqueue("ac97");
        INIT_DELAYED_WORK(&ac97->power_work, do_update_power);
 #endif
 
@@ -2275,15 +2281,13 @@ static void snd_ac97_powerdown(struct snd_ac97 *ac97)
        udelay(100);
        power |= AC97_PD_PR2 | AC97_PD_PR3;     /* Analog Mixer powerdown */
        snd_ac97_write(ac97, AC97_POWERDOWN, power);
-#ifdef CONFIG_SND_AC97_POWER_SAVE
-       if (power_save) {
+       if (ac97_is_power_save_mode(ac97)) {
                udelay(100);
                /* AC-link powerdown, internal Clk disable */
                /* FIXME: this may cause click noises on some boards */
                power |= AC97_PD_PR4 | AC97_PD_PR5;
                snd_ac97_write(ac97, AC97_POWERDOWN, power);
        }
-#endif
 }
 
 
@@ -2337,14 +2341,16 @@ int snd_ac97_update_power(struct snd_ac97 *ac97, int reg, int powerup)
                }
        }
 
-       if (power_save && !powerup && ac97->power_workq)
+       if (ac97_is_power_save_mode(ac97) && !powerup)
                /* adjust power-down bits after two seconds delay
                 * (for avoiding loud click noises for many (OSS) apps
                 *  that open/close frequently)
                 */
-               queue_delayed_work(ac97->power_workq, &ac97->power_work, HZ*2);
-       else
+               schedule_delayed_work(&ac97->power_work, HZ*2);
+       else {
+               cancel_delayed_work(&ac97->power_work);
                update_power_regs(ac97);
+       }
 
        return 0;
 }
@@ -2357,19 +2363,15 @@ static void update_power_regs(struct snd_ac97 *ac97)
        unsigned int power_up, bits;
        int i;
 
+       power_up = (1 << PWIDX_FRONT) | (1 << PWIDX_ADC);
+       power_up |= (1 << PWIDX_MIC);
+       if (ac97->scaps & AC97_SCAP_SURROUND_DAC)
+               power_up |= (1 << PWIDX_SURR);
+       if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC)
+               power_up |= (1 << PWIDX_CLFE);
 #ifdef CONFIG_SND_AC97_POWER_SAVE
-       if (power_save)
+       if (ac97_is_power_save_mode(ac97))
                power_up = ac97->power_up;
-       else {
-#endif
-               power_up = (1 << PWIDX_FRONT) | (1 << PWIDX_ADC);
-               power_up |= (1 << PWIDX_MIC);
-               if (ac97->scaps & AC97_SCAP_SURROUND_DAC)
-                       power_up |= (1 << PWIDX_SURR);
-               if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC)
-                       power_up |= (1 << PWIDX_CLFE);
-#ifdef CONFIG_SND_AC97_POWER_SAVE
-       }
 #endif
        if (power_up) {
                if (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2) {
@@ -2414,6 +2416,10 @@ void snd_ac97_suspend(struct snd_ac97 *ac97)
                return;
        if (ac97->build_ops->suspend)
                ac97->build_ops->suspend(ac97);
+#ifdef CONFIG_SND_AC97_POWER_SAVE
+       cancel_delayed_work(&ac97->power_work);
+       flush_scheduled_work();
+#endif
        snd_ac97_powerdown(ac97);
 }