[PATCH v3 03/11] ASoC: sun4i-i2s: Add TX FIFO offset to quirks

codekipper at gmail.com
2017-08-12T11:00:51Z

It has been seen that the newer SoCs have a different TX FIFO
address. Add this to the quirks structure.

Signed-off-by: Marcus Cooper <codekipper@gmail.com>
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
---
sound/soc/sunxi/sun4i-i2s.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/sound/soc/sunxi/sun4i-i2s.c b/sound/soc/sunxi/sun4i-i2s.c
index f6f3c409f25e..dfb794ffff92 100644
--- a/sound/soc/sunxi/sun4i-i2s.c
+++ b/sound/soc/sunxi/sun4i-i2s.c
@@ -94,12 +94,14 @@
* struct sun4i_i2s_quirks - Differences between SoC variants.
*
* @has_reset: SoC needs reset deasserted.
+ * @reg_offset_txdata: offset of the tx fifo.
* @sun4i_i2s_regmap: regmap config to use.
* @mclk_offset: Value by which mclkdiv needs to be adjusted.
* @bclk_offset: Value by which bclkdiv needs to be adjusted.
*/
struct sun4i_i2s_quirks {
bool has_reset;
+ unsigned int reg_offset_txdata; /* TX FIFO */
const struct regmap_config *sun4i_i2s_regmap;
unsigned int mclk_offset;
unsigned int bclk_offset;
@@ -677,11 +679,13 @@ static int sun4i_i2s_runtime_suspend(struct device *dev)

static const struct sun4i_i2s_quirks sun4i_a10_i2s_quirks = {
.has_reset = false,
+ .reg_offset_txdata = SUN4I_I2S_FIFO_TX_REG,
.sun4i_i2s_regmap = &sun4i_i2s_regmap_config,
};

static const struct sun4i_i2s_quirks sun6i_a31_i2s_quirks = {
.has_reset = true,
+ .reg_offset_txdata = SUN4I_I2S_FIFO_TX_REG,
.sun4i_i2s_regmap = &sun4i_i2s_regmap_config,
};

@@ -750,7 +754,8 @@ static int sun4i_i2s_probe(struct platform_device *pdev)
}
}

- i2s->playback_dma_data.addr = res->start + SUN4I_I2S_FIFO_TX_REG;
+ i2s->playback_dma_data.addr = res->start +
+ i2s->variant->reg_offset_txdata;
i2s->playback_dma_data.maxburst = 8;

i2s->capture_dma_data.addr = res->start + SUN4I_I2S_FIFO_RX_REG;
--
2.14.1