ALSA: ca0106: fix error code handling

snd_ca0106_spi_write() returns 1 on error, snd_ca0106_pcm_power_dac()
is returning the error code directly, and the caller is expecting an
negative error code

Signed-off-by: Tong Zhang <ztong0001@gmail.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20200824224541.1260307-1-ztong0001@gmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/pci/ca0106/ca0106_main.c b/sound/pci/ca0106/ca0106_main.c
index 70d775ff967ebed7451b9a65c5e173aa56a58387..c189f70c82cb9a1a9f98aef77ba4e861184e9195 100644 (file)
--- a/sound/pci/ca0106/ca0106_main.c
+++ b/sound/pci/ca0106/ca0106_main.c
@@ -537,7 +537,8 @@ static int snd_ca0106_pcm_power_dac(struct snd_ca0106 *chip, int channel_id,
                else
                        /* Power down */
                        chip->spi_dac_reg[reg] |= bit;
-               return snd_ca0106_spi_write(chip, chip->spi_dac_reg[reg]);
+               if (snd_ca0106_spi_write(chip, chip->spi_dac_reg[reg]) != 0)
+                       return -ENXIO;
        }
        return 0;
 }