drm/bridge: sii902x: fix missing reference to mclk clock

Add devm_clk_get call to retrieve reference to master clock.

Fixes: ff5781634c41 ("drm/bridge: sii902x: Implement HDMI audio support")
Signed-off-by: Olivier Moysan <olivier.moysan@st.com>
Reviewed-by: Jyri Sarha <jsarha@ti.com>
Acked-by: Andrzej Hajda <a.hajda@samsung.com
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/1563811560-29589-2-git-send-email-olivier.moysan@st.com

diff --git a/drivers/gpu/drm/bridge/sii902x.c b/drivers/gpu/drm/bridge/sii902x.c
index c2f97e5997a1143f4acd1eab9e5bcfdc57dcd308..962931c20efe1e442407f5acef49eaef3f2f4a0a 100644 (file)
--- a/drivers/gpu/drm/bridge/sii902x.c
+++ b/drivers/gpu/drm/bridge/sii902x.c
@@ -751,6 +751,7 @@ static int sii902x_audio_codec_init(struct sii902x *sii902x,
                sii902x->audio.i2s_fifo_sequence[i] |= audio_fifo_id[i] |
                        i2s_lane_id[lanes[i]] | SII902X_TPI_I2S_FIFO_ENABLE;
 
+       sii902x->audio.mclk = devm_clk_get(dev, "mclk");
        if (IS_ERR(sii902x->audio.mclk)) {
                dev_err(dev, "%s: No clock (audio mclk) found: %ld\n",
                        __func__, PTR_ERR(sii902x->audio.mclk));