diff options
author | guoyin.chen <guoyin.chen@freescale.com> | 2014-07-15 10:48:06 +0800 |
---|---|---|
committer | guoyin.chen <guoyin.chen@freescale.com> | 2014-07-15 10:48:06 +0800 |
commit | 777746ccfac42070d3236c27da2a6972dca70be1 (patch) | |
tree | 3e87ba72a25cbcca06fb3bb8c758989c4447afb5 | |
parent | bb148f50e85620cb61e0eaf4025296a8cc95852b (diff) | |
parent | 9168b9154cf97a9c9c367eb639e92a10f3382144 (diff) |
Merge remote-tracking branch 'remotes/fsl-linux-sdk/imx_3.10.31_1.1.0_beta' into imx_3.10.y_android
-rw-r--r-- | arch/arm/mach-imx/busfreq-imx6.c | 9 | ||||
-rw-r--r-- | sound/usb/card.c | 28 | ||||
-rw-r--r-- | sound/usb/mixer.c | 101 | ||||
-rw-r--r-- | sound/usb/mixer.h | 7 | ||||
-rw-r--r-- | sound/usb/usbaudio.h | 1 |
5 files changed, 115 insertions, 31 deletions
diff --git a/arch/arm/mach-imx/busfreq-imx6.c b/arch/arm/mach-imx/busfreq-imx6.c index d4529ab490ea..12e8f69ee935 100644 --- a/arch/arm/mach-imx/busfreq-imx6.c +++ b/arch/arm/mach-imx/busfreq-imx6.c @@ -268,11 +268,16 @@ static void enter_lpm_imx6sl(void) * we need to move ARM clk off PLL2_PFD2 * to PLL1. Make sure the PLL1 is running * at the lowest possible freq. + * To work well with CPUFREQ we want to ensure that + * the CPU freq does not change, so attempt to + * get a freq as close to 396MHz as possible. */ clk_set_rate(pll1_sys, - clk_round_rate(pll1_sys, org_arm_rate)); + clk_round_rate(pll1_sys, (org_arm_rate * 2))); pll1_rate = clk_get_rate(pll1_sys); - arm_div = pll1_rate / org_arm_rate + 1; + arm_div = pll1_rate / org_arm_rate; + if (pll1_rate / arm_div > org_arm_rate) + arm_div++; /* * Ensure ARM CLK is lower before * changing the parent. diff --git a/sound/usb/card.c b/sound/usb/card.c index 0e256d4799df..3ddc8965ed9f 100644 --- a/sound/usb/card.c +++ b/sound/usb/card.c @@ -724,7 +724,7 @@ int snd_usb_autoresume(struct snd_usb_audio *chip) int err = -ENODEV; down_read(&chip->shutdown_rwsem); - if (chip->probing) + if (chip->probing && chip->in_pm) err = 0; else if (!chip->shutdown) err = usb_autopm_get_interface(chip->pm_intf); @@ -736,7 +736,7 @@ int snd_usb_autoresume(struct snd_usb_audio *chip) void snd_usb_autosuspend(struct snd_usb_audio *chip) { down_read(&chip->shutdown_rwsem); - if (!chip->shutdown && !chip->probing) + if (!chip->shutdown && !chip->probing && !chip->in_pm) usb_autopm_put_interface(chip->pm_intf); up_read(&chip->shutdown_rwsem); } @@ -768,13 +768,14 @@ static int usb_audio_suspend(struct usb_interface *intf, pm_message_t message) chip->autosuspended = 1; } - list_for_each_entry(mixer, &chip->mixer_list, list) - snd_usb_mixer_inactivate(mixer); + if (chip->num_suspended_intf == 1) + list_for_each_entry(mixer, &chip->mixer_list, list) + snd_usb_mixer_suspend(mixer); return 0; } -static int usb_audio_resume(struct usb_interface *intf) +static int __usb_audio_resume(struct usb_interface *intf, bool reset_resume) { struct snd_usb_audio *chip = usb_get_intfdata(intf); struct usb_mixer_interface *mixer; @@ -784,12 +785,14 @@ static int usb_audio_resume(struct usb_interface *intf) return 0; if (--chip->num_suspended_intf) return 0; + + chip->in_pm = 1; /* * ALSA leaves material resumption to user space * we just notify and restart the mixers */ list_for_each_entry(mixer, &chip->mixer_list, list) { - err = snd_usb_mixer_activate(mixer); + err = snd_usb_mixer_resume(mixer, reset_resume); if (err < 0) goto err_out; } @@ -799,11 +802,23 @@ static int usb_audio_resume(struct usb_interface *intf) chip->autosuspended = 0; err_out: + chip->in_pm = 0; return err; } + +static int usb_audio_resume(struct usb_interface *intf) +{ + return __usb_audio_resume(intf, false); +} + +static int usb_audio_reset_resume(struct usb_interface *intf) +{ + return __usb_audio_resume(intf, true); +} #else #define usb_audio_suspend NULL #define usb_audio_resume NULL +#define usb_audio_reset_resume NULL #endif /* CONFIG_PM */ static struct usb_device_id usb_audio_ids [] = { @@ -825,6 +840,7 @@ static struct usb_driver usb_audio_driver = { .disconnect = usb_audio_disconnect, .suspend = usb_audio_suspend, .resume = usb_audio_resume, + .reset_resume = usb_audio_reset_resume, .id_table = usb_audio_ids, .supports_autosuspend = 1, }; diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c index 95558ef4a7a0..abeaa78d2bc0 100644 --- a/sound/usb/mixer.c +++ b/sound/usb/mixer.c @@ -2299,26 +2299,6 @@ requeue: } } -/* stop any bus activity of a mixer */ -void snd_usb_mixer_inactivate(struct usb_mixer_interface *mixer) -{ - usb_kill_urb(mixer->urb); - usb_kill_urb(mixer->rc_urb); -} - -int snd_usb_mixer_activate(struct usb_mixer_interface *mixer) -{ - int err; - - if (mixer->urb) { - err = usb_submit_urb(mixer->urb, GFP_NOIO); - if (err < 0) - return err; - } - - return 0; -} - /* create the handler for the optional status interrupt endpoint */ static int snd_usb_mixer_status_create(struct usb_mixer_interface *mixer) { @@ -2393,7 +2373,7 @@ int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif, snd_usb_mixer_apply_create_quirk(mixer); - err = snd_device_new(chip->card, SNDRV_DEV_LOWLEVEL, mixer, &dev_ops); + err = snd_device_new(chip->card, SNDRV_DEV_CODEC, mixer, &dev_ops); if (err < 0) goto _error; @@ -2417,3 +2397,82 @@ void snd_usb_mixer_disconnect(struct list_head *p) usb_kill_urb(mixer->urb); usb_kill_urb(mixer->rc_urb); } + +#ifdef CONFIG_PM +/* stop any bus activity of a mixer */ +static void snd_usb_mixer_inactivate(struct usb_mixer_interface *mixer) +{ + usb_kill_urb(mixer->urb); + usb_kill_urb(mixer->rc_urb); +} + +static int snd_usb_mixer_activate(struct usb_mixer_interface *mixer) +{ + int err; + + if (mixer->urb) { + err = usb_submit_urb(mixer->urb, GFP_NOIO); + if (err < 0) + return err; + } + + return 0; +} + +int snd_usb_mixer_suspend(struct usb_mixer_interface *mixer) +{ + snd_usb_mixer_inactivate(mixer); + return 0; +} + +static int restore_mixer_value(struct usb_mixer_elem_info *cval) +{ + int c, err, idx; + + if (cval->cmask) { + idx = 0; + for (c = 0; c < MAX_CHANNELS; c++) { + if (!(cval->cmask & (1 << c))) + continue; + if (cval->cached & (1 << c)) { + err = set_cur_mix_value(cval, c + 1, idx, + cval->cache_val[idx]); + if (err < 0) + return err; + } + idx++; + } + } else { + /* master */ + if (cval->cached) { + err = set_cur_mix_value(cval, 0, 0, *cval->cache_val); + if (err < 0) + return err; + } + } + + return 0; +} + +int snd_usb_mixer_resume(struct usb_mixer_interface *mixer, bool reset_resume) +{ + struct usb_mixer_elem_info *cval; + int id, err; + + /* FIXME: any mixer quirks? */ + + if (reset_resume) { + /* restore cached mixer values */ + for (id = 0; id < MAX_ID_ELEMS; id++) { + for (cval = mixer->id_elems[id]; cval; + cval = cval->next_id_elem) { + err = restore_mixer_value(cval); + if (err < 0) + return err; + } + } + } + + return snd_usb_mixer_activate(mixer); +} +#endif diff --git a/sound/usb/mixer.h b/sound/usb/mixer.h index aab80df201bd..73b1f649447b 100644 --- a/sound/usb/mixer.h +++ b/sound/usb/mixer.h @@ -63,8 +63,6 @@ void snd_usb_mixer_notify_id(struct usb_mixer_interface *mixer, int unitid); int snd_usb_mixer_set_ctl_value(struct usb_mixer_elem_info *cval, int request, int validx, int value_set); -void snd_usb_mixer_inactivate(struct usb_mixer_interface *mixer); -int snd_usb_mixer_activate(struct usb_mixer_interface *mixer); int snd_usb_mixer_add_control(struct usb_mixer_interface *mixer, struct snd_kcontrol *kctl); @@ -72,4 +70,9 @@ int snd_usb_mixer_add_control(struct usb_mixer_interface *mixer, int snd_usb_mixer_vol_tlv(struct snd_kcontrol *kcontrol, int op_flag, unsigned int size, unsigned int __user *_tlv); +#ifdef CONFIG_PM +int snd_usb_mixer_suspend(struct usb_mixer_interface *mixer); +int snd_usb_mixer_resume(struct usb_mixer_interface *mixer, bool reset_resume); +#endif + #endif /* __USBMIXER_H */ diff --git a/sound/usb/usbaudio.h b/sound/usb/usbaudio.h index bc43bcaddf4d..f13bd005a2e7 100644 --- a/sound/usb/usbaudio.h +++ b/sound/usb/usbaudio.h @@ -40,6 +40,7 @@ struct snd_usb_audio { struct rw_semaphore shutdown_rwsem; unsigned int shutdown:1; unsigned int probing:1; + unsigned int in_pm:1; unsigned int autosuspended:1; unsigned int txfr_quirk:1; /* Subframe boundaries on transfers */ |