Commit ad80efc4 authored by Cliff Cai's avatar Cliff Cai Committed by Mark Brown

ASoC: Blackfin I2S: fix resuming when device hasn't been used

If the sound system hasn't been utilized yet and we suspend, then we
attempt to save/restore using state that doesn't exist.  So use a global
handle instead to reconfigure properly.
Signed-off-by: default avatarCliff Cai <cliff.cai@analog.com>
Signed-off-by: default avatarMike Frysinger <vapier@gentoo.org>
Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
parent fab19bae
......@@ -237,36 +237,31 @@ static void bf5xx_i2s_remove(struct platform_device *pdev,
#ifdef CONFIG_PM
static int bf5xx_i2s_suspend(struct snd_soc_dai *dai)
{
struct sport_device *sport =
(struct sport_device *)dai->private_data;
pr_debug("%s : sport %d\n", __func__, dai->id);
if (!dai->active)
return 0;
if (dai->capture.active)
sport_rx_stop(sport);
sport_rx_stop(sport_handle);
if (dai->playback.active)
sport_tx_stop(sport);
sport_tx_stop(sport_handle);
return 0;
}
static int bf5xx_i2s_resume(struct snd_soc_dai *dai)
{
int ret;
struct sport_device *sport =
(struct sport_device *)dai->private_data;
pr_debug("%s : sport %d\n", __func__, dai->id);
if (!dai->active)
return 0;
ret = sport_config_rx(sport, RFSR | RCKFE, RSFSE|0x1f, 0, 0);
ret = sport_config_rx(sport_handle, bf5xx_i2s.rcr1,
bf5xx_i2s.rcr2, 0, 0);
if (ret) {
pr_err("SPORT is busy!\n");
return -EBUSY;
}
ret = sport_config_tx(sport, TFSR | TCKFE, TSFSE|0x1f, 0, 0);
ret = sport_config_tx(sport_handle, bf5xx_i2s.tcr1,
bf5xx_i2s.tcr2, 0, 0);
if (ret) {
pr_err("SPORT is busy!\n");
return -EBUSY;
......
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