From 248e88c2fb5a09eb87b21b00fd4167cc99c05759 Mon Sep 17 00:00:00 2001 From: Kuninori Morimoto Date: Thu, 10 Sep 2015 07:04:24 +0000 Subject: [PATCH] ASoC: rsnd: adg: ignore undefined clock error undefined clock is not error. Accept such case. And this is prepare for clock out support in the same time. Signed-off-by: Kuninori Morimoto Signed-off-by: Mark Brown --- sound/soc/sh/rcar/adg.c | 32 +++++++++++++++++++++++--------- 1 file changed, 23 insertions(+), 9 deletions(-) diff --git a/sound/soc/sh/rcar/adg.c b/sound/soc/sh/rcar/adg.c index 606d416c51b2..d4fb11a3ce64 100644 --- a/sound/soc/sh/rcar/adg.c +++ b/sound/soc/sh/rcar/adg.c @@ -394,6 +394,28 @@ int rsnd_adg_ssi_clk_try_start(struct rsnd_mod *mod, unsigned int rate) return 0; } +static void rsnd_adg_get_clkin(struct rsnd_priv *priv, + struct rsnd_adg *adg) +{ + struct device *dev = rsnd_priv_to_dev(priv); + struct clk *clk; + static const char * const clk_name[] = { + [CLKA] = "clk_a", + [CLKB] = "clk_b", + [CLKC] = "clk_c", + [CLKI] = "clk_i", + }; + int i; + + for (i = 0; i < CLKMAX; i++) { + clk = devm_clk_get(dev, clk_name[i]); + adg->clk[i] = IS_ERR(clk) ? NULL : clk; + } + + for_each_rsnd_clk(clk, adg, i) + dev_dbg(dev, "clk %d : %p : %ld\n", i, clk, clk_get_rate(clk)); +} + static void rsnd_adg_ssi_clk_init(struct rsnd_priv *priv, struct rsnd_adg *adg) { struct clk *clk; @@ -466,8 +488,6 @@ int rsnd_adg_probe(struct platform_device *pdev, { struct rsnd_adg *adg; struct device *dev = rsnd_priv_to_dev(priv); - struct clk *clk; - int i; adg = devm_kzalloc(dev, sizeof(*adg), GFP_KERNEL); if (!adg) { @@ -483,13 +503,7 @@ int rsnd_adg_probe(struct platform_device *pdev, adg->mod.ops = &adg_ops; adg->mod.priv = priv; - adg->clk[CLKA] = devm_clk_get(dev, "clk_a"); - adg->clk[CLKB] = devm_clk_get(dev, "clk_b"); - adg->clk[CLKC] = devm_clk_get(dev, "clk_c"); - adg->clk[CLKI] = devm_clk_get(dev, "clk_i"); - - for_each_rsnd_clk(clk, adg, i) - dev_dbg(dev, "clk %d : %p : %ld\n", i, clk, clk_get_rate(clk)); + rsnd_adg_get_clkin(priv, adg); rsnd_adg_ssi_clk_init(priv, adg); -- GitLab