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mfd: rtsx: Add shutdown callback in rtsx_pci_driver

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Some actions to clear power state should be handled in .shutdown
callback in rtsx_pci_driver. This patch adopts the following measures to
catch this goal:
1. Add a function rtsx_pci_power_off to abstract the common ops in
.shutdown and .suspend
2. Add pcr->ops->force_power_down to fulfill the individual action for
each reader model

Signed-off-by: Wei WANG <wei_wang@realsil.com.cn>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
Wei WANG
2013-08-20 14:18:52 +08:00
committed by Samuel Ortiz
parent 773ccdfd9c
commit 5947c167d1
7 changed files with 85 additions and 12 deletions
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6
drivers/mfd/rts5229.c
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@@ -56,6 +56,11 @@ static void rts5229_fetch_vendor_settings(struct rtsx_pcr *pcr)
map_sd_drive(rtsx_reg_to_sd30_drive_sel_3v3(reg));
}
static void rts5229_force_power_down(struct rtsx_pcr *pcr)
{
rtsx_pci_write_register(pcr, FPDCTL, 0x03, 0x03);
}
static int rts5229_extra_init_hw(struct rtsx_pcr *pcr)
{
rtsx_pci_init_cmd(pcr);
@@ -179,6 +184,7 @@ static const struct pcr_ops rts5229_pcr_ops = {
.switch_output_voltage = rts5229_switch_output_voltage,
.cd_deglitch = NULL,
.conv_clk_and_div_n = NULL,
.force_power_down = rts5229_force_power_down,
};
/* SD Pull Control Enable: