Thread (43 messages) 43 messages, 6 authors, 2019-08-21

Re: [PATCH v5 02/15] ASoC: sun4i-i2s: Add set_tdm_slot functionality

From: Code Kipper <hidden>
Date: 2019-08-16 06:22:35
Also in: alsa-devel, lkml

On Wed, 14 Aug 2019 at 11:30, Mark Brown [off-list ref] wrote:
On Wed, Aug 14, 2019 at 08:08:41AM +0200, codekipper@gmail.com wrote:
quoted
From: Marcus Cooper <redacted>

Codecs without a control connection such as i2s based HDMI audio and
the Pine64 DAC require a different amount of bit clocks per frame than
This isn't a universal property of CODECs without a control, and it's
something that CODECs with control can require too.
ACK
quoted
      return sun4i_i2s_set_clk_rate(dai, params_rate(params),
-                                   params_width(params));
+                                   i2s->tdm_slots ?
+                                   i2s->slot_width : params_width(params));
Please write normal conditional statements unless there's a strong
reason to do otherwise, it makes things more legible.
ACK
quoted
+static int sun4i_i2s_set_dai_tdm_slot(struct snd_soc_dai *dai,
+                                   unsigned int tx_mask,
+                                   unsigned int rx_mask,
+                                   int slots, int width)
+{
+     struct sun4i_i2s *i2s = snd_soc_dai_get_drvdata(dai);
+
+     i2s->tdm_slots = slots;
+
+     i2s->slot_width = width;
+
+     return 0;
+}
No validation of the parameters here?
ACK
Thanks,
CK

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