fixup! ASoC: Add support for all the downstream rpi sound card drivers

* Change SND_PIMIDI and SND_PISOUND_MICRO to select CRC8 instead of depend
  on it.
* Fixes build with Clang.

sound/drivers/upisnd/upisnd_codec.c:741:6: error: variable 'ret' is used uninitialized whenever 'if' condition is false [-Werror,-Wsometimes-uninitialized]
  741 |         if (adau->clk_src != ADAU1961_CLK_SRC_MCLK)
      |             ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
sound/drivers/upisnd/upisnd_codec.c:744:9: note: uninitialized use occurs here
  744 |         return ret;
      |                ^~~
sound/drivers/upisnd/upisnd_codec.c:741:2: note: remove the 'if' if its condition is always true
  741 |         if (adau->clk_src != ADAU1961_CLK_SRC_MCLK)
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  742 |                 ret = snd_soc_dapm_add_routes(dapm, &adau1961_dapm_pll_route, 1);
sound/drivers/upisnd/upisnd_codec.c:739:9: note: initialize the variable 'ret' to silence this warning
  739 |         int ret;
      |                ^
      |                 = 0
1 error generated.

Author: KonstaT

sound/drivers/Kconfig

@@ -265,8 +265,9 @@ config SND_AC97_POWER_SAVE_DEFAULT
 
 config SND_PIMIDI
 	tristate "Pimidi driver"
-	depends on SND_SEQUENCER && CRC8
+	depends on SND_SEQUENCER
 	select SND_RAWMIDI
+	select CRC8
 	help
 	  Say Y here to include support for Blokas Pimidi.
 
@@ -275,7 +276,8 @@ config SND_PIMIDI
 
 config SND_PISOUND_MICRO
 	tristate "Pisound Micro driver"
-	depends on SND_SEQUENCER && CRC8
+	depends on SND_SEQUENCER
+	select CRC8
 	help
 	  Say Y here to include support for Blokas Pisound Micro.
 

sound/drivers/upisnd/upisnd_codec.c

@@ -736,7 +736,7 @@ static int adau1961_add_routes(struct snd_soc_component *component)
 {
 	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
 	struct adau *adau = snd_soc_component_get_drvdata(component);
-	int ret;
+	int ret = 0;
 
 	if (adau->clk_src != ADAU1961_CLK_SRC_MCLK)
 		ret = snd_soc_dapm_add_routes(dapm, &adau1961_dapm_pll_route, 1);