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authorTakashi Iwai <tiwai@suse.de>2006-10-11 18:52:53 +0200
committerJaroslav Kysela <perex@suse.cz>2006-10-22 10:51:10 +0200
commit30b35399ceb2398d05837863476dcb12f12f3a82 (patch)
tree14a7cfad1c5d28d207bb1be8addb86ead33f7b63 /sound/pci/es1968.c
parentc06134d73cdc02bb8ab1fad180f6da1f28d2e049 (diff)
[ALSA] Various fixes for suspend/resume of ALSA PCI drivers
- Check the return value of pci_enable_device() and request_irq() in the suspend. If any error occurs there, disable the device using snd_card_disconnect(). - Call pci_set_power_state() properly with pci_choose_state(). - Fix the order to call pci_set_power_state(). - Removed obsolete house-made PM codes in some drivers. Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@suse.cz>
Diffstat (limited to 'sound/pci/es1968.c')
-rw-r--r--sound/pci/es1968.c71
1 files changed, 10 insertions, 61 deletions
diff --git a/sound/pci/es1968.c b/sound/pci/es1968.c
index b9d723c7e1d..092da53e146 100644
--- a/sound/pci/es1968.c
+++ b/sound/pci/es1968.c
@@ -432,46 +432,6 @@ MODULE_PARM_DESC(joystick, "Enable joystick.");
#define ESM_MODE_PLAY 0
#define ESM_MODE_CAPTURE 1
-/* acpi states */
-enum {
- ACPI_D0=0,
- ACPI_D1,
- ACPI_D2,
- ACPI_D3
-};
-
-/* bits in the acpi masks */
-#define ACPI_12MHZ ( 1 << 15)
-#define ACPI_24MHZ ( 1 << 14)
-#define ACPI_978 ( 1 << 13)
-#define ACPI_SPDIF ( 1 << 12)
-#define ACPI_GLUE ( 1 << 11)
-#define ACPI__10 ( 1 << 10) /* reserved */
-#define ACPI_PCIINT ( 1 << 9)
-#define ACPI_HV ( 1 << 8) /* hardware volume */
-#define ACPI_GPIO ( 1 << 7)
-#define ACPI_ASSP ( 1 << 6)
-#define ACPI_SB ( 1 << 5) /* sb emul */
-#define ACPI_FM ( 1 << 4) /* fm emul */
-#define ACPI_RB ( 1 << 3) /* ringbus / aclink */
-#define ACPI_MIDI ( 1 << 2)
-#define ACPI_GP ( 1 << 1) /* game port */
-#define ACPI_WP ( 1 << 0) /* wave processor */
-
-#define ACPI_ALL (0xffff)
-#define ACPI_SLEEP (~(ACPI_SPDIF|ACPI_ASSP|ACPI_SB|ACPI_FM| \
- ACPI_MIDI|ACPI_GP|ACPI_WP))
-#define ACPI_NONE (ACPI__10)
-
-/* these masks indicate which units we care about at
- which states */
-static u16 acpi_state_mask[] = {
- [ACPI_D0] = ACPI_ALL,
- [ACPI_D1] = ACPI_SLEEP,
- [ACPI_D2] = ACPI_SLEEP,
- [ACPI_D3] = ACPI_NONE
-};
-
/* APU use in the driver */
enum snd_enum_apu_type {
@@ -2160,21 +2120,6 @@ static void snd_es1968_reset(struct es1968 *chip)
}
/*
- * power management
- */
-static void snd_es1968_set_acpi(struct es1968 *chip, int state)
-{
- u16 active_mask = acpi_state_mask[state];
-
- pci_set_power_state(chip->pci, state);
- /* make sure the units we care about are on
- XXX we might want to do this before state flipping? */
- pci_write_config_word(chip->pci, 0x54, ~ active_mask);
- pci_write_config_word(chip->pci, 0x56, ~ active_mask);
-}
-
-
-/*
* initialize maestro chip
*/
static void snd_es1968_chip_init(struct es1968 *chip)
@@ -2196,9 +2141,6 @@ static void snd_es1968_chip_init(struct es1968 *chip)
* IRQs.
*/
- /* do config work at full power */
- snd_es1968_set_acpi(chip, ACPI_D0);
-
/* Config Reg A */
pci_read_config_word(pci, ESM_CONFIG_A, &w);
@@ -2397,9 +2339,10 @@ static int es1968_suspend(struct pci_dev *pci, pm_message_t state)
snd_pcm_suspend_all(chip->pcm);
snd_ac97_suspend(chip->ac97);
snd_es1968_bob_stop(chip);
- snd_es1968_set_acpi(chip, ACPI_D3);
+
pci_disable_device(pci);
pci_save_state(pci);
+ pci_set_power_state(pci, pci_choose_state(pci, state));
return 0;
}
@@ -2413,9 +2356,16 @@ static int es1968_resume(struct pci_dev *pci)
return 0;
/* restore all our config */
+ pci_set_power_state(pci, PCI_D0);
pci_restore_state(pci);
- pci_enable_device(pci);
+ if (pci_enable_device(pci) < 0) {
+ printk(KERN_ERR "es1968: pci_enable_device failed, "
+ "disabling device\n");
+ snd_card_disconnect(card);
+ return -EIO;
+ }
pci_set_master(pci);
+
snd_es1968_chip_init(chip);
/* need to restore the base pointers.. */
@@ -2514,7 +2464,6 @@ static int snd_es1968_free(struct es1968 *chip)
if (chip->irq >= 0)
free_irq(chip->irq, (void *)chip);
snd_es1968_free_gameport(chip);
- snd_es1968_set_acpi(chip, ACPI_D3);
chip->master_switch = NULL;
chip->master_volume = NULL;
pci_release_regions(chip->pci);