diff options
| author | Wei WANG <wei_wang@realsil.com.cn> | 2013-08-20 10:18:55 +0400 |
|---|---|---|
| committer | Samuel Ortiz <sameo@linux.intel.com> | 2013-08-20 12:22:01 +0400 |
| commit | eb891c65c9c87e55f728d95bcc514dea337aed12 (patch) | |
| tree | 691325f4eb2d39ab93db3490e6d15d37840ab405 /drivers/mfd/rts5227.c | |
| parent | 0ccc0065c90284f283314e52a96e76ae8a8dce0a (diff) | |
| download | linux-eb891c65c9c87e55f728d95bcc514dea337aed12.tar.xz | |
mfd: rtsx: Configure to enter a deeper power-saving mode in S3
Set a bit to enable rts5227 and rts5249 to enter a deeper internal
power-saving mode in S3, and recover it after resuming.
Signed-off-by: Wei WANG <wei_wang@realsil.com.cn>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'drivers/mfd/rts5227.c')
| -rw-r--r-- | drivers/mfd/rts5227.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/mfd/rts5227.c b/drivers/mfd/rts5227.c index 724ce4c54523..c72abd6b9c81 100644 --- a/drivers/mfd/rts5227.c +++ b/drivers/mfd/rts5227.c @@ -83,13 +83,16 @@ static void rts5227_fetch_vendor_settings(struct rtsx_pcr *pcr) pcr->flags |= PCR_REVERSE_SOCKET; } -static void rts5227_force_power_down(struct rtsx_pcr *pcr) +static void rts5227_force_power_down(struct rtsx_pcr *pcr, u8 pm_state) { /* Set relink_time to 0 */ rtsx_pci_write_register(pcr, AUTOLOAD_CFG_BASE + 1, 0xFF, 0); rtsx_pci_write_register(pcr, AUTOLOAD_CFG_BASE + 2, 0xFF, 0); rtsx_pci_write_register(pcr, AUTOLOAD_CFG_BASE + 3, 0x01, 0); + if (pm_state == HOST_ENTER_S3) + rtsx_pci_write_register(pcr, PM_CTRL3, 0x10, 0x10); + rtsx_pci_write_register(pcr, FPDCTL, 0x03, 0x03); } @@ -123,6 +126,7 @@ static int rts5227_extra_init_hw(struct rtsx_pcr *pcr) else rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, AUTOLOAD_CFG_BASE + 3, 0xB8, 0x88); + rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PM_CTRL3, 0x10, 0x00); return rtsx_pci_send_cmd(pcr, 100); } |