diff options
| -rw-r--r-- | drivers/pci/pwrctrl/pci-pwrctrl-tc9563.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/pci/pwrctrl/pci-pwrctrl-tc9563.c b/drivers/pci/pwrctrl/pci-pwrctrl-tc9563.c index 3ee1b4d19a4d..c1cb867ea47e 100644 --- a/drivers/pci/pwrctrl/pci-pwrctrl-tc9563.c +++ b/drivers/pci/pwrctrl/pci-pwrctrl-tc9563.c @@ -241,12 +241,18 @@ static int tc9563_pwrctrl_disable_port(struct tc9563_pwrctrl *tc9563, if (!cfg->disable_port) return 0; - if (port == TC9563_DSP1) { + switch (port) { + case TC9563_DSP1: seq = dsp1_pwroff_seq; len = ARRAY_SIZE(dsp1_pwroff_seq); - } else { + break; + case TC9563_DSP2: seq = dsp2_pwroff_seq; len = ARRAY_SIZE(dsp2_pwroff_seq); + break; + default: + /* Only external downstream ports DSP1/DSP2 can be powered off */ + return 0; } ret = tc9563_pwrctrl_i2c_bulk_write(tc9563->client, seq, len); |