From eb891c65c9c87e55f728d95bcc514dea337aed12 Mon Sep 17 00:00:00 2001 From: Wei WANG Date: Tue, 20 Aug 2013 14:18:55 +0800 Subject: 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 Signed-off-by: Samuel Ortiz --- drivers/mfd/rts5227.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'drivers/mfd/rts5227.c') 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); } -- cgit v1.2.3